@article{AIHPC_1985__2_3_185_0,
     author = {Baras, Pierre and Pierre, Michel},
     title = {Crit\`ere d'existence de solutions positives pour des \'equations semi-lin\'eaires non monotones},
     journal = {Annales de l'I.H.P. Analyse non lin\'eaire},
     pages = {185--212},
     publisher = {Gauthier-Villars},
     volume = {2},
     number = {3},
     year = {1985},
     mrnumber = {797270},
     zbl = {0599.35073},
     language = {fr},
     url = {http://www.numdam.org/item/AIHPC_1985__2_3_185_0/}
}