00525naa#a2200193#i#450# EN\\bibl\566 20260430002507.4 1992-5980 20130930b2013####ek#y0engy0150####ca RUS RU Involute chain transmission sprockets Journal article rostov on don Don state technical University 2013 5 с. Journal article local Voyna Andrey Berezhnoy Sergey Kurapov Georgiy naukaru.ru