TY  - JOUR
AU  - T. Rushing
TI  - Geometrical arguments concerning two-sided submanifolds, flat submanifolds and pinched bicollars
JO  - Fundamenta Mathematicae
PY  - 1972
SP  - 73
EP  - 84
VL  - 74
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/fm-74-1-73-84/
DO  - 10.4064/fm-74-1-73-84
LA  - en
ID  - 10_4064_fm_74_1_73_84
ER  -