00532naa#a2200205#i#450# EN\\bibl\74527 20241122135136.5 2413-046X 20171225b2017####ek#y0engy0150####ca ENG RU Journal article Moscow Electronic science 2017 0 с. Journal article local . 69.005 ENG Sergeeva Nina Dmitrievna Sinicyna Alina Viktorovna Lipkina Valentina Sergeevna e-integral.ru