DARVISHI, Mohammad Taghi; NAJAFI, Mohammad. He’s variational method for a (2 + 1)-dimensional soliton equation. International Journal of Applied Mathematical Research, [S. l.], v. 1, n. 1, p. 1–7, 2012. DOI: 10.14419/ijamr.v1i1.1. Disponível em: https://www.sciencepubco.com/index.php/ijamr/article/view/1.. Acesso em: 29 apr. 2024.