TY  - JOUR
AU  - V. M. Bykov
TI  - Homology and cohomology spheres
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 1973
VL  - 28
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/RM_1973_28_6_a13/
LA  - ru
ID  - RM_1973_28_6_a13
ER  -