TY  - JOUR
AU  - T. E. Panov
TI  - On the structure of a~Hopf cohomology 2-algebra of four-dimensional manifolds
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 1996
SP  - 155
EP  - 157
VL  - 51
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/RM_1996_51_1_a13/
LA  - en
ID  - RM_1996_51_1_a13
ER  -