A locally linear approximation method for nonlinear difference operators with weakly regular operators. Neliniini Kolyvannya, [S. l.], v. 15, n. 1, p. 112–126, 2012. Disponível em: https://twinhead.imath.kiev.ua/index.php/nosc/article/view/638. Acesso em: 21 jan. 2026.