Positive solutions for singular (p,q)-Laplacian equations with negative perturbation

• Nikolaos S. Papageorgiou,
• Calogero Vetro,
• Francesca Vetro

Affiliations

Nikolaos S. Papageorgiou

National Technical Univ., Athens, Greece

Calogero Vetro

Univ. of Palermo, Italy

Francesca Vetro

independent researcher, Palermo, Italy