TY  - JOUR
AU  - V. E. Lopatkin
TI  - The cohomology rings of asynchronous transition systems
JO  - Dalʹnevostočnyj matematičeskij žurnal
PY  - 2011
SP  - 181
EP  - 189
VL  - 11
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DVMG_2011_11_2_a4/
LA  - ru
ID  - DVMG_2011_11_2_a4
ER  -