TY  - JOUR
AU  - Nishi, Akihiro
TI  - An Elementary Proof of Johnson–Dulmage–Mendelsohn's Refinement of Birkhoff's Theorem on Doubly Stochastic Matrices
JO  - Canadian mathematical bulletin
PY  - 1979
SP  - 81
EP  - 86
VL  - 22
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1979-011-4/
DO  - 10.4153/CMB-1979-011-4
ID  - 10_4153_CMB_1979_011_4
ER  -