@book{30682,
	title = {Кн. 3 : Функции и пределы},
	publisher = {Гостехиздат},
	year = {1952},
	url = {https://ikfia.ysn.ru/wp-content/uploads/2018/01/AleksandrovMarkushevichHinchin_EncElMat3_1952ru.pdf}
}