@article{AIHPC_2021__38_3_877_0, author = {Casado-D{\'\i}az, Juan and Murat, Fran\c{c}ois}, title = {Semilinear problems with right-hand sides singular at $u = 0$ $ = 0 which change sign}, journal = {Annales de l'I.H.P. Analyse non lin\'eaire}, pages = {877--909}, publisher = {Elsevier}, volume = {38}, number = {3}, year = {2021}, doi = {10.1016/j.anihpc.2020.09.001}, mrnumber = {4227055}, zbl = {1466.35111}, language = {en}, url = {http://www.numdam.org/articles/10.1016/j.anihpc.2020.09.001/} }