TY  - JOUR
AU  - Andrey Kostin
TI  - Cohomology of the categorical at zero semigroups
JO  - Algebra and discrete mathematics
PY  - 2006
SP  - 51
EP  - 66
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ADM_2006_1_a4/
LA  - en
ID  - ADM_2006_1_a4
ER  -