TY  - JOUR
AU  - B. S. Kruglikov
TI  - On the image in $H^2(Q^3;R)$ of the set of closed 2-forms with preassigned kernel
JO  - Zapiski Nauchnykh Seminarov POMI
PY  - 1996
SP  - 125
EP  - 136
VL  - 234
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ZNSL_1996_234_a8/
LA  - en
ID  - ZNSL_1996_234_a8
ER  -