@article{BUMI_2005_8_8B_2_a5,
     author = {Porretta, A.},
     title = {Absorption effects for some elliptic equations with singularities},
     journal = {Bollettino della Unione matematica italiana},
     pages = {369--395},
     publisher = {mathdoc},
     volume = {Ser. 8, 8B},
     number = {2},
     year = {2005},
     zbl = {1151.35028},
     mrnumber = {1357958},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/BUMI_2005_8_8B_2_a5/}
}