ON A DIRICHLET PROBLEM WITH (p, q)-LAPLACIAN AND PARAMETRIC 
CONCAVE-CONVEX NONLINEARITY
SALVATORE A. MARANO, GRETA MARINO, AND NIKOLAOS S. PAPAGEORGIOU
ON A DIRICHLET PROBLEM WITH (p, q)-LAPLACIAN AND PARAMETRIC
CONCAVE-CONVEX NONLINEARITY
SALVATORE A. MARANO, GRETA MARINO, AND NIKOLAOS S. PAPAGEORGIOU