@article{AFM_2023_48_2_a13,
     author = {Nikolaos S. Papageorgiou and Vicen\c{t}iu D. R\u{a}dulescu and Yitian Wang},
     title = {Constant sign and nodal solutions for resonant double phase problems},
     journal = {Annales Fennici Mathematici},
     pages = {757--777},
     publisher = {mathdoc},
     volume = {48},
     number = {2},
     year = {2023},
     doi = {10.54330/afm.141250},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.54330/afm.141250/}
}