00591naa#a2200181#i#450# EN\\bibl\12718 20241222141907.7 2223-4608 20160830b2016####ek#y0engy0150####ca RUS RU Optimization of spline hole broach processes and grinding of cylindrical surfaces in hardened cog-wheels Journal article Bryansk Bryansk State Technical University 2016 4 с. Journal article local Klyepikov Viktor CHyeryepakhin Alyeksandr Aleksandrovich bstu.editorum.ru