00440naa#a2200181#i#450# EN\\bibl\74401 20241122063440.5 2413-046X 20171025b2017####ek#y0engy0150####ca ENG RU Journal article Moscow Electronic science 2017 0 с. Journal article local . 330-16 (336,7) ENG Mahmadmurodov D. H. qje.su