On conformal d´Alembert-Like Equation
Massless Klein-Gordon Equation in the Robertson-Walker Spacetime
The Generating Function For E(Rho) Polynomials
On a New Class of Polynomials
A Equação de Klein-Gordon no Espaço-Tempo de Robertson-Walker
A Equação de Klein-Gordon Generalizada no Universo de Robertson-Walker
E. Capelas de Oliveira