@article{M2AN_1969__3_3_51_0,
     author = {Steen, J. P.},
     title = {Principe d'un algorithme de recherche d'un isomorphisme entre deux graphes},
     journal = {ESAIM: Mathematical Modelling and Numerical Analysis },
     pages = {51--69},
     publisher = {Dunod},
     address = {Paris},
     volume = {3},
     number = {R3},
     year = {1969},
     mrnumber = {295956},
     zbl = {0199.27702},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/item/M2AN_1969__3_3_51_0/}
}