JASIŃSKI, Jerzy; KARPIERZ, Mirosław. Solution of coupled nonlinear Schrödinger equations in focusing-defocusing medium by modified perturbation theory. Photonics Letters of Poland, [S. l.], v. 13, n. 2, p. 43–45, 2021. DOI: 10.4302/plp.v13i2.1106. Disponível em: https://www.photonics.pl/PLP/index.php/letters/article/view/13-15. Acesso em: 1 mar. 2024.