@article{M2AN_1969__3_1_65_0,
     author = {Baer, Jean-Loup},
     title = {Matrice de connexion minimale d'une matrice de pr\'ec\'edence donn\'ee},
     journal = {ESAIM: Mathematical Modelling and Numerical Analysis },
     pages = {65--73},
     publisher = {Dunod},
     address = {Paris},
     volume = {3},
     number = {R1},
     year = {1969},
     mrnumber = {245355},
     zbl = {0187.21501},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/item/M2AN_1969__3_1_65_0/}
}