@book{9817,
	title = {Математика},
	publisher = {Шкільний світ},
	year = {2020},
	address = {Київ},
	url = {https://docs.google.com/document/d/1GBGJouhwJrLLG_eCenE7J7sPt2X6Er886eW5HB3DAOc/edit?usp=sharing}
}