Ultsiferov, O. G. Hindi main kriya / O. G. Ultsiferov. - दिल्ली : पराग प्रकाशन, 1979. - 335 p. ; 21cm. Subjects--Topical Terms: Hindi language--Grammar.Ultsiferov, O. G--x Translating and interpreting.Grammar, Comparative and general --Verb. Dewey Class. No.: 491.4356 / Ul8 Hi