gf-core/lib/resource-1.3/api/toplevel/OverGrammarRus.gf

concrete OverGrammarRus of OverGrammar = 
  StructuralRus,NumeralRus,ConjunctionRus[ListS,ListNP,ListAP,ListAdv] ** 
  OverGrammarI with (Grammar = GrammarRus) ;