@article{MTA_2017_2_1_a6, author = {Vicent ̧iu D. R ̆adulescu and Ionela-Loredana St ̆ancut}, title = {Perturbation effects for a singular elliptic problem with lack of compactness and critical exponent}, journal = {Minimax theory and its applications}, year = {2017}, volume = {2}, number = {1}, zbl = {1376.35067}, url = {http://geodesic.mathdoc.fr/item/MTA_2017_2_1_a6/} }