00551naa#a2200181#i#450# EN\\bibl\577 /en/manage/index 20250211165201.2 1992-5980 20130930b2013####ek#y0engy0150####ca RUS RU Contact pressure analysis under static loading of elliptical and involute gears Journal article rostov on don Don state technical University 2013 5 с. Journal article local Lukonin Artem fht.editorum.ru /en/manage/index