Mezue ahịrịokwu na-esonụ: Volkov bidoro na 1968 European Championship, wee nọrọ na 12th. N'afọ 1974, o nwetara ihe nrite ọlaọcha na European na
Asọmpi Iko Mba Ụwa. Volkov meriri n'otu n'otu n'asọmpi egwuregwu ụwa n'afọ 1975, wee bụrụ nwoke Soviet mbụ mere nke ahụ. N'ụlọ, ọ meriri aha Soviet abụọ, na 1974 na 1976.