00447naa#a2200181#i#450# EN\\bibl\74400 20250510161904.6 2413-046X 20171025b2017####ek#y0engy0150####ca ENG RU Journal article Moscow Electronic science 2017 0 с. Journal article local . 336,7 (330-16) ENG Mahmadmurodov D. H. e-integral.ru