00546naa#a2200217#i#450# EN\\bibl\74217 20241125234847.1 2413-046X 20170325b2017####ek#y0engy0150####ca ENG RU Journal article Moscow Electronic science 2017 0 с. Journal article local . 633.321;631.81.095.337 ENG Ponomarev Yu O Prudnikova A G Prudnikov A D Semchenkova S V e-integral.ru