@article{10_4064_ap_15_2_153_158,
     author = {M. Picone},
     title = {Sur la condition de {Weierstrass} pour le minimum d'une int\'egrale \`a plusieurs dimensions},
     journal = {Annales Polonici Mathematici},
     pages = {153--158},
     publisher = {mathdoc},
     volume = {15},
     number = {2},
     year = {1964},
     doi = {10.4064/ap-15-2-153-158},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-15-2-153-158/}
}