Innovative Solitary Wave Solutions for the (3+1)-Dimensional Boussinesq Kadomtsev-Petviashvili-Type Equation Derived via the Improved Modified Extended Tanh-Function Method. European Journal of Pure and Applied Mathematics, Maryland, USA, v. 18, n. 3, p. 6490, 2025. DOI: 10.29020/nybg.ejpam.v18i3.6490. Disponível em: https://www.ejpam.com/index.php/ejpam/article/view/6490. Acesso em: 5 dec. 2025.