diff --git a/src/abstract/Numeral.gf b/src/abstract/Numeral.gf
index be0d904e..a1af031b 100644
--- a/src/abstract/Numeral.gf
+++ b/src/abstract/Numeral.gf
@@ -63,6 +63,7 @@ data
 
   pot51 : Sub1000000000000 ;                                 -- a billion instead of one billion
   pot5  : Sub1000 -> Sub1000000000000 ;                      -- m * 1000000000
+  pot5art : Sub1000000000000 ;                               -- a/an instead of one
   pot5plus : Sub1000 -> Sub1000000000 -> Sub1000000000000 ;  -- m * 1000000000 + n
   pot5decimal : Decimal -> Sub1000000000000 ;                -- 3.5 billion
 
diff --git a/src/bulgarian/NumeralBul.gf b/src/bulgarian/NumeralBul.gf
index 149e2362..c9fa8060 100644
--- a/src/bulgarian/NumeralBul.gf
+++ b/src/bulgarian/NumeralBul.gf
@@ -112,7 +112,7 @@ lin pot41 = {
 lin pot4 n = {
       s = \\c,nf => case n.n of {
                   Sg => mkCardOrd100 "милион" "милионите" "милионен" ! c ;
-                  Pl => n.s ! NCard (CFFem Indef) ! nf ++ mkCardOrd100 "милиони" "милионите" "милионен" ! c
+                  Pl => n.s ! NCard (CFFem Indef) ! nf ++ mkCardOrd100 "милиона" "милионите" "милионен" ! c
                 } ;
       n = Pl
     } ;
@@ -142,10 +142,14 @@ lin pot51 = {
 lin pot5 n = {
       s = \\c,nf => case n.n of {
                   Sg => mkCardOrd100 "милиярд" "милиярдите" "милиярден" ! c ;
-                  Pl => n.s ! NCard (CFFem Indef) ! nf ++ mkCardOrd100 "милиярд" "милиярдите" "милиярден" ! c
+                  Pl => n.s ! NCard (CFFem Indef) ! nf ++ mkCardOrd100 "милиярда" "милиярдите" "милиярден" ! c
                 } ;
       n = Pl
     } ;
+lin pot5art = {
+      s = \\o,_ => "" ;
+      n = Sg
+    } ;
 lin pot5plus n1 n2 = {
       s = \\o,f => (pot5 n1).s ! o ! f ++ "и" ++ n2.s ! o ! f;
       n = Pl
@@ -154,7 +158,7 @@ lin pot5decimal d = {
   s = \\c,nf => d.s ! NCard (CFFem Indef) ++
                 case d.n of {
                   Sg => mkCardOrd100 "милиярд" "милиярда" "милиярден" ! c ;
-                  Pl => mkCardOrd100 "милиярди" "милиярдите" "милиярден" ! c
+                  Pl => mkCardOrd100 "милиярда" "милиярдите" "милиярден" ! c
                 } ;
   n = Pl
   } ;
diff --git a/src/english/NumeralEng.gf b/src/english/NumeralEng.gf
index e71e80bd..1923aba1 100644
--- a/src/english/NumeralEng.gf
+++ b/src/english/NumeralEng.gf
@@ -86,6 +86,10 @@ lin pot5 n = {
       s = \\d,o,c => n.s ! d ! NCard ! Nom ++ pot51.s ! True ! o ! c ;
       n = Pl
     } ;
+lin pot5art = {
+      s = \\d,o,c => case d of {True => []; False => artIndef};
+      n = Sg
+    } ;
 lin pot5plus n1 n2 = {
       s = \\d,o,c => n1.s ! d ! NCard ! Nom ++ pot51.s ! True ! NCard ! Nom ++ "and" ++ n2.s ! True ! o ! c;
       n = Pl
diff --git a/src/swedish/NumeralSwe.gf b/src/swedish/NumeralSwe.gf
index 23e0d57e..ef20559f 100644
--- a/src/swedish/NumeralSwe.gf
+++ b/src/swedish/NumeralSwe.gf
@@ -52,7 +52,12 @@ lin
 
   pot41 = numPl (cardOrd "miljon" "miljonde") ;
   pot4 n =
-    numPl (\\g => n.s ! NCard Utr ++ cardOrd "miljon" "miljonde" ! g) ;
+    numPl (\\g => n.s ! NCard Utr ++
+                  cardOrd (case n.n of {
+                             Sg => "miljon" ;
+                             Pl => "miljoner"
+                           })
+                          "miljonde" ! g) ;
   pot4plus n m =
     {s = \\g => n.s ! NCard Utr ++ BIND ++ "miljon" ++ m.s ! g ; n = Pl} ;
   pot4as5 n = n ;
@@ -60,8 +65,20 @@ lin
     numPl (\\g => d.s ! NCard Utr ++ cardOrd "miljoner" "miljonde" ! g) ;
 
   pot51 = numPl (cardOrd "miljard" "miljarde") ;
+  pot5art = {
+    s = table {
+          NCard g => case g of {Neutr => "ett" ; _ => "en"} ;
+          _ => "första"
+          } ;
+    n = Sg
+    } ;
   pot5 n =
-    numPl (\\g => n.s ! NCard Utr ++ cardOrd "miljard" "miljarde" ! g) ;
+    numPl (\\g => n.s ! NCard Utr ++
+                  cardOrd (case n.n of {
+                             Sg => "miljard" ;
+                             Pl => "miljarder"
+                           })
+                          "miljarde" ! g) ;
   pot5plus n m =
     {s = \\g => n.s ! NCard Utr ++ BIND ++ "miljard" ++ m.s ! g ; n = Pl} ;
   pot5decimal d =