@article{ASNSP_1993_4_20_2_193_0,
     author = {Hulshof, Josephus and Vazquez, Juan Luis},
     title = {The dipole solution for the porous medium equation in several space dimensions},
     journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze},
     pages = {193--217},
     publisher = {Scuola normale superiore},
     volume = {Ser. 4, 20},
     number = {2},
     year = {1993},
     mrnumber = {1233636},
     zbl = {0832.35082},
     language = {en},
     url = {http://www.numdam.org/item/ASNSP_1993_4_20_2_193_0/}
}