TY  - JOUR
AU  - D. Bourgin
TI  - Deformation and mapping theorems
JO  - Fundamenta Mathematicae
PY  - 1958
SP  - 285
EP  - 303
VL  - 46
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/fm-46-3-285-303/
DO  - 10.4064/fm-46-3-285-303
LA  - en
ID  - 10_4064_fm_46_3_285_303
ER  -