@article{M2AN_1982__16_4_463_0,
     author = {Pietra, P.},
     title = {An up-wind finite element method for a filtration problem},
     journal = {RAIRO. Analyse num\'erique},
     pages = {463--481},
     publisher = {Centrale des revues, Dunod-Gauthier-Villars},
     address = {Montreuil},
     volume = {16},
     number = {4},
     year = {1982},
     mrnumber = {684833},
     zbl = {0506.76095},
     language = {en},
     url = {http://www.numdam.org/item/M2AN_1982__16_4_463_0/}
}