@article{M2AN_1971__5_3_89_0,
     author = {Chauch\'e, J.},
     title = {Br\`eve communication. {Reconnaissance} de sous-arborescences},
     journal = {ESAIM: Mathematical Modelling and Numerical Analysis },
     pages = {89--95},
     publisher = {Dunod},
     address = {Paris},
     volume = {5},
     number = {R3},
     year = {1971},
     mrnumber = {305945},
     zbl = {0232.68033},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/item/M2AN_1971__5_3_89_0/}
}