Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{MASLO_1975__25_3_a3, author = {Zelinka, Bohdan}, title = {Involutory {Pairs} of {Vertices} in {Transitive} {Graphs}}, journal = {Mathematica slovaca}, pages = {221--222}, publisher = {mathdoc}, volume = {25}, number = {3}, year = {1975}, mrnumber = {0412016}, zbl = {0306.05108}, language = {en}, url = {http://geodesic.mathdoc.fr/item/MASLO_1975__25_3_a3/} }
Zelinka, Bohdan. Involutory Pairs of Vertices in Transitive Graphs. Mathematica slovaca, Tome 25 (1975) no. 3, pp. 221-222. http://geodesic.mathdoc.fr/item/MASLO_1975__25_3_a3/