00508naa#a2200169#i#450# EN\\bibl\996 20241118232603.1 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 naukaru.ru