Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{MASLO_1986__36_2_a12, author = {Schwarz, \v{S}tefan}, title = {A combinatorial problem arising in finite {Markov} chains}, journal = {Mathematica slovaca}, pages = {199--210}, publisher = {mathdoc}, volume = {36}, number = {2}, year = {1986}, mrnumber = {849711}, zbl = {0615.15006}, language = {en}, url = {http://geodesic.mathdoc.fr/item/MASLO_1986__36_2_a12/} }
Schwarz, Štefan. A combinatorial problem arising in finite Markov chains. Mathematica slovaca, Tome 36 (1986) no. 2, pp. 199-210. http://geodesic.mathdoc.fr/item/MASLO_1986__36_2_a12/