@article{02107464, title = {On a combinatorial problem of Asmus Schmidt.}, journal = {The Electronic Journal of Combinatorics [electronic only]}, volume = {11}, year = {2004}, zbl = {1126.11012}, language = {en}, url = {http://dml.mathdoc.fr/item/02107464} }
Zudilin, W. On a combinatorial problem of Asmus Schmidt.. The Electronic Journal of Combinatorics [electronic only], Tome 11 (2004) . http://gdmltest.u-ga.fr/item/02107464/