@article{RO_1993__27_3_319_0,
     author = {Qannari, A. and Qannari, E. M.},
     title = {Approximation d{\textquoteright}une matrice non inversible par une matrice inversible et $D$-inverse},
     journal = {RAIRO - Operations Research - Recherche Op\'erationnelle},
     pages = {319--335},
     publisher = {EDP-Sciences},
     volume = {27},
     number = {3},
     year = {1993},
     mrnumber = {1241866},
     language = {fr},
     url = {http://www.numdam.org/item/RO_1993__27_3_319_0/}
}