00621naa#a2200205#i#450# EN\\bibl\2000 /en/manage/index 20250125042840.6 1992-5980 20140331b2014####ek#y0engy0150####ca RUS RU Determining location radii of gear chain pivot locus on involute sprocket wraps Journal article rostov on don Don state technical University 2014 6 с. Journal article local Voyna Andrey Berezhnoy Sergey Kurapov Georgiy test.editorum.ru /en/manage/index