@article{00025277, title = {On the number of permutations arising from a problem in cell-biology.}, journal = {Mathematica Pannonica}, volume = {2}, year = {1991}, pages = {13-18}, zbl = {0737.05005}, language = {en}, url = {http://dml.mathdoc.fr/item/00025277} }
Dorninger, D.; Hule, H. On the number of permutations arising from a problem in cell-biology.. Mathematica Pannonica, Tome 2 (1991) pp. 13-18. http://gdmltest.u-ga.fr/item/00025277/