00453naa#a2200181#i#450# EN\\bibl\75004 20241123101245.6 2413-046X 20190425b2019####ek#y0engy0150####ca RUS RU Journal article Moscow Electronic science 2019 0 с. Journal article local . 339.97+330.322.16 RUS Hazova Vera Nikolaevna e-integral.ru