TY  - JOUR
AU  - Abramson, Morton
TI  - Explicit Expressions for a Class of Permutation Problems
JO  - Canadian mathematical bulletin
PY  - 1964
SP  - 345
EP  - 350
VL  - 7
IS  - 3
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1964-031-5/
DO  - 10.4153/CMB-1964-031-5
ID  - 10_4153_CMB_1964_031_5
ER  -