@article{BUMI_2001_8_4B_3_a4,
     author = {Caldiroli, Paolo and Musina, Roberta},
     title = {Stationary states for a two-dimensional singular {Schr\"odinger} equation},
     journal = {Bollettino della Unione matematica italiana},
     pages = {609--633},
     publisher = {mathdoc},
     volume = {Ser. 8, 4B},
     number = {3},
     year = {2001},
     zbl = {1182.35094},
     mrnumber = {450957},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/BUMI_2001_8_4B_3_a4/}
}