Vedijskie korni tipa CaC // C(C)aa: Morfonologicheskie modeli i sintaksicheskaja orientirovannost' glagolov (K diaxronicheskoj tipologii kategorii perexodnosti) [Vedic roots of the type CaC // C(C)aa: Morphophonological patterns and syntactic orientation of verbs (Towards a diachronic typology of transitivity)]