Vieira, Rônei, Olímpio Miyagaki, e Waldemar Bastos. 1. “Existence of Solutions For a Class of Quasilinear Elliptic Equationin R^n With Vanishing Potentials”. Revista De Matemática Da UFOP 2 (1). https://periodicos.ufop.br/rmat/article/view/130.