Constant sign solutions for double phase problems with superlinear nonlinearity

Leszek Gasiński1, Patrick Winkert2
1Pedagogical University of Cracow, Department of Mathematics, Podchorazych 2, 30-084 Cracow, Poland
2Technische Universität Berlin, Institut für Mathematik, Straße des 17. Juni 136, 10623 Berlin, Germany

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