HERTZ, A.; ZELENKEVICH, A.; GUREVA, N.; PASTUHOV, Y.; PASTUHOV, D. CO-ORDINATION ORDER TO APROXIMATIONS DIFFERENTIAL AND BORDER OPERATOR IN MARGINAL PROBLEM AND EQUATIONS IN QUOTIENT DERIVED. Vestnik of Polotsk State University. Part C. Fundamental Sciences, [S. l.], n. 12, p. 102-109, 2015. Disponível em: https://journals.psu.by/fundamental/article/view/5638. Acesso em: 3 jul. 2024.