@book{9573064,
	author = {Popova, N. S.},
	title = {Arifmetika nutan hatarjuhwathanun apьhturevigmun},
	publisher = {Ucpedgiz},
	year = {1935},
	address = {M.},
	url = {https://vivaldi.nlr.ru/bx000037447/view}
}