TY - JOUR AU - Nikolaos S. Papageorgiou AU - Vicenţiu D. Rădulescu AU - Yitian Wang TI - Constant sign and nodal solutions for resonant double phase problems JO - Annales Fennici Mathematici PY - 2023 SP - 757 EP - 777 VL - 48 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.54330/afm.141250/ DO - 10.54330/afm.141250 LA - en ID - AFM_2023_48_2_a13 ER -