TY  - JOUR
AU  - P. H. Doyle
TI  - Two criteria thrusting simple connectedness on manifolds
JO  - Colloquium Mathematicum
PY  - 1974
SP  - 207
EP  - 210
VL  - 31
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/cm-31-2-207-210/
DO  - 10.4064/cm-31-2-207-210
LA  - en
ID  - 10_4064_cm_31_2_207_210
ER  -