TY  - JOUR
AU  - Hartfiel, D. J.
TI  - A Lower Bound for the Permanent on a Special Class of Matrices
JO  - Canadian mathematical bulletin
PY  - 1974
SP  - 529
EP  - 530
VL  - 17
IS  - 4
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1974-093-2/
DO  - 10.4153/CMB-1974-093-2
ID  - 10_4153_CMB_1974_093_2
ER  -