00511naa#a2200193#i#450# EN\\bibl\74339 20240929194451.7 2413-046X 20170825b2017####ek#y0engy0150####ca ENG RU Journal article Moscow Electronic science 2017 0 с. Journal article local Sharapova Natal'ya Vladimirovna Sharapova Valentina Mihaylovna Borisov Ivan Aleksandrovich ecience.ru