00514naa#a2200193#i#450# EN\\bibl\74791 20241126024557.2 2413-046X 20190125b2019####ek#y0engy0150####ca ENG RU Journal article Moscow Electronic science 2019 0 с. Journal article local Avilova Tat'yana Vladimirovna Shirokova Alevtina Aleksandrovna Kustysheva Irina Nikolaevna e-integral.ru