TY  - JOUR
AU  - Ismail, M.
AU  - Szymański, A.
TI  - Short proofs of two theorems in topology
JO  - Commentationes Mathematicae Universitatis Carolinae
PY  - 1993
SP  - 539
EP  - 541
VL  - 34
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CMUC_1993__34_3_a15/
LA  - en
ID  - CMUC_1993__34_3_a15
ER  -