TY  - JOUR
AU  - Ky Fan
TI  - Topological Proofs for Certain Theorems on Matrices with Non-Negative Elements.
JO  - Monatshefte für Mathematik
PY  - 1958
SP  - 219
EP  - 237
VL  - 62
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MOMA_1958__62_177042/
ID  - MOMA_1958__62_177042
ER  -