TY  - JOUR
AU  - B. S. Kruglikov
TI  - On the extension of the symplectic form and a~pair of functions in involution form $S^1\times I\times T^2$
JO  - Informatics and Automation
PY  - 1994
SP  - 98
EP  - 108
VL  - 205
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TRSPY_1994_205_a7/
LA  - ru
ID  - TRSPY_1994_205_a7
ER  -