00681naa#a2200217#i#450# EN\\bibl\31283 20251214183605.7 2073-1574 20130425b2013####ek#y0engy0150####ca RUS RU SPEED OF CHANGE OF A PHASE ON THE MASS OF THE SYSTEM AT THE ESTABLISHED DYNAMIC MODE Journal article Astrakhan Astrakhan State Technical University 2013 4 с. Journal article local . 621.1.016 RUS . 31.311:31.312 bbk Rudnev Vitaliy Petrovich Rudneva Polina Vitalievna Ivanova Maria Vitalievna vestnik.astu.ru