SOLODKII, S. G. Optimization of projection schemes of digitization of ill-posed problems. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 51, n. 10, p. 1398–1410, 1999. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/4739. Acesso em: 27 apr. 2025.