00654naa#a2200205#i#450# EN\\bibl\2655 /en/manage/index 20241116230250.6 1992-5980 20140630b2014####ek#y0engy0150####ca RUS RU Servomotor parameter effect on dynamic properties of twist drilling deephole machining system Journal article rostov on don Don state technical University 2014 0 с. Journal article local Turkin Ilya Andreevich Zakovorotnyy Vilor Lapshin Viktor Petrovich test.editorum.ru /en/manage/index