TY  - JOUR
AU  - David Sprows
TI  - Homeotopy groups of punctured spheres with holes
JO  - Fundamenta Mathematicae
PY  - 1983
SP  - 207
EP  - 212
VL  - 115
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/fm-115-3-207-212/
DO  - 10.4064/fm-115-3-207-212
LA  - en
ID  - 10_4064_fm_115_3_207_212
ER  -