@article{ASNSP_1985_4_12_3_335_0,
     author = {Alt, H. W. and Di Benedetto, E.},
     title = {Nonsteady flow of water and oil through inhomogeneous porous media},
     journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze},
     pages = {335--392},
     publisher = {Scuola normale superiore},
     volume = {Ser. 4, 12},
     number = {3},
     year = {1985},
     mrnumber = {837254},
     zbl = {0608.76082},
     language = {en},
     url = {http://www.numdam.org/item/ASNSP_1985_4_12_3_335_0/}
}