Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{AUCMP_1989__30_2_a24, author = {Tuza, Zsolt}, title = {$C_4$-saturated graphs of minimum size}, journal = {Acta Universitatis Carolinae. Mathematica et Physica}, pages = {161--167}, publisher = {mathdoc}, volume = {30}, number = {2}, year = {1989}, mrnumber = {1046463}, zbl = {0719.05040}, language = {en}, url = {http://geodesic.mathdoc.fr/item/AUCMP_1989__30_2_a24/} }
Tuza, Zsolt. $C_4$-saturated graphs of minimum size. Acta Universitatis Carolinae. Mathematica et Physica, Tome 30 (1989) no. 2, pp. 161-167. http://geodesic.mathdoc.fr/item/AUCMP_1989__30_2_a24/