TY  - JOUR
AU  - Edythe Woodruff
TI  - Examples of disks in $E^3$/G which cannot be approximated by P-liftable disks
JO  - Fundamenta Mathematicae
PY  - 1974
SP  - 117
EP  - 136
VL  - 86
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/fm-86-2-117-136/
DO  - 10.4064/fm-86-2-117-136
LA  - en
ID  - 10_4064_fm_86_2_117_136
ER  -