@article{AIHPC_1987__4_2_169_0,
     author = {Raymond, J.-P.},
     title = {Conditions n\'ecessaires et suffisantes d'existence de solutions en calcul des variations},
     journal = {Annales de l'I.H.P. Analyse non lin\'eaire},
     pages = {169--202},
     publisher = {Gauthier-Villars},
     volume = {4},
     number = {2},
     year = {1987},
     mrnumber = {886931},
     zbl = {0641.49012},
     language = {fr},
     url = {http://archive.numdam.org/item/AIHPC_1987__4_2_169_0/}
}