CÎRSTEA, Florica Şt. and RĂDULESCU, Vicenţiu D. Multiple solutions of degenerate perturbed elliptic problems involving a subcritical Sobolev exponent. Topological Methods in Nonlinear Analysis. Online. 1 June 2000. Vol. 15, no. 2, pp. 283 - 300. [Accessed 27 April 2024].