@article{RO_1992__26_4_313_0,
     author = {Desplas, M.},
     title = {Matrice pseudo-inverse de {Moore-Penrose} et variables duales g\'en\'eralis\'ees en programmation math\'ematique},
     journal = {RAIRO - Operations Research - Recherche Op\'erationnelle},
     pages = {313--360},
     publisher = {EDP-Sciences},
     volume = {26},
     number = {4},
     year = {1992},
     mrnumber = {1196904},
     zbl = {0780.90084},
     language = {fr},
     url = {http://www.numdam.org/item/RO_1992__26_4_313_0/}
}