Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{ELMA_1972__27_141083, author = {P. Hohler}, title = {Eine {Klasse} von {Abz\"ahlproblemen.}}, journal = {Elemente der Mathematik}, pages = {141--145}, publisher = {mathdoc}, volume = {27}, year = {1972}, language = {de}, url = {http://geodesic.mathdoc.fr/item/ELMA_1972__27_141083/} }
P. Hohler. Eine Klasse von Abzählproblemen.. Elemente der Mathematik, Tome 27 (1972), pp. 141-145. http://geodesic.mathdoc.fr/item/ELMA_1972__27_141083/