TY  - JOUR
AU  - S. M. Ageev
TI  - Topological proofs of Keller's theorem and an equivariant version of it
JO  - Izvestiya. Mathematics 
PY  - 1994
SP  - 621
EP  - 629
VL  - 42
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM2_1994_42_3_a7/
LA  - en
ID  - IM2_1994_42_3_a7
ER  -