Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{CMUC_1987__28_3_a3, author = {Dr\'apal, Ale\v{s} and Kepka, Tom\'a\v{s}}, title = {Parity of orthogonal permutations}, journal = {Commentationes Mathematicae Universitatis Carolinae}, pages = {427--432}, publisher = {mathdoc}, volume = {28}, number = {3}, year = {1987}, mrnumber = {912571}, zbl = {0632.20042}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CMUC_1987__28_3_a3/} }
Drápal, Aleš; Kepka, Tomáš. Parity of orthogonal permutations. Commentationes Mathematicae Universitatis Carolinae, Tome 28 (1987) no. 3, pp. 427-432. http://geodesic.mathdoc.fr/item/CMUC_1987__28_3_a3/