PAPAGEORGIOU, Nikolaos S. & RADULESCU, Vicentiu D. Solutions with sign information for nonlinear nonhomogeneous elliptic equations. Topological Methods in Nonlinear Analysis [online]. 1 czerwiec 2015, T. 45, nr 2, s. 575–600. [udostępniono 3.7.2024]. DOI 10.12775/TMNA.2015.027.