Voir la notice de l'article provenant de la source Math-Net.Ru
@article{PDM_2013_2_a7, author = {V. V. Gotsulenko}, title = {A formula for the number of combinations with constrained repetitions and its application}, journal = {Prikladna\^a diskretna\^a matematika}, pages = {71--77}, publisher = {mathdoc}, number = {2}, year = {2013}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/PDM_2013_2_a7/} }
V. V. Gotsulenko. A formula for the number of combinations with constrained repetitions and its application. Prikladnaâ diskretnaâ matematika, no. 2 (2013), pp. 71-77. http://geodesic.mathdoc.fr/item/PDM_2013_2_a7/