00507naa#a2200169#i#450# EN\\bibl\996 20241107052424.4 1992-5980 20131230b2013####ek#y0engy0150####ca RUS RU Economic nature and contradictions of venture capital development in russian economy Journal article rostov on don Don state technical University 2013 7 с. Journal article local Ugnich Ekaterina zh-szf.ru