HYRHYNBAY, Zh. Optimal method of decision of homogeneous differential equalizations of first order, coersion to homogeneous equalization. Bulletin of the Karaganda University. Mathematics Series, [S. l.], v. 78, n. 2, p. 157–161, 2015. Disponível em: http://mts.buketov.edu.kz/index.php/mathematics-vestnik/article/view/38. Acesso em: 7 sep. 2025.