00449naa#a2200181#i#450# EN\\bibl\74859 20241126011059.2 2413-046X 20190225b2019####ek#y0engy0150####ca RUS RU Journal article Moscow Electronic science 2019 0 с. Journal article local . 33.338 RUS Pankova Lyudmila Vladimirovna e-integral.ru