TY  - JOUR
AU  - M. Sh. Сalenko
TI  - Classification of categories of relations and types of regularity of categories
JO  - Trudy Moskovskogo matematičeskogo obŝestva
PY  - 1980
SP  - 241
EP  - 285
VL  - 41
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MMO_1980_41_a9/
LA  - ru
ID  - MMO_1980_41_a9
ER  -