TY - JOUR AU - M. S. Tsalenko TI - On the foundations of the theory of categories JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1960 SP - 47 EP - 51 VL - 15 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1960_15_6_a1/ LA - en ID - RM_1960_15_6_a1 ER -