Voir la notice de l'article provenant de la source Electronic Library of Mathematics
@article{JIS_2007__10_7_a1, author = {Schr\"oder, Joachim}, title = {Generalized {Schr\"oder} numbers and the rotation principle}, journal = {Journal of integer sequences}, publisher = {mathdoc}, volume = {10}, number = {7}, year = {2007}, language = {en}, url = {http://geodesic.mathdoc.fr/item/JIS_2007__10_7_a1/} }
Schröder, Joachim. Generalized Schröder numbers and the rotation principle. Journal of integer sequences, Tome 10 (2007) no. 7. http://geodesic.mathdoc.fr/item/JIS_2007__10_7_a1/