LUCHKA, A. Y. Methods for the solution of equations with restrictions and the Sokolov projection-iterative method. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 48, n. 11, p. 1501–1509, 1996. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/5204. Acesso em: 5 dec. 2025.