hal-00795635 title_s Problem with critical Sobolev exponent and with weight auteur Rejeb Hadiji, Habib Yazidi journal Chinese Annals of Mathematics - Series B volume 28 pages p. 327-352 fichier_hal https://hal.archives-ouvertes.fr/hal-00795635/document annee 2007 Identifiant HAL 822417 172523