TY - JOUR AU - M. Sh. Tsalenko TI - Functors between structured categories JO - Sbornik. Mathematics PY - 1969 SP - 497 EP - 513 VL - 9 IS - 4 UR - http://geodesic.mathdoc.fr/item/SM_1969_9_4_a5/ LA - en ID - SM_1969_9_4_a5 ER -