TY - JOUR AU - V. V. Kuznetsov TI - Duality of functors in the category of sets with a distinguished point JO - Doklady Akademii Nauk PY - 1964 SP - 738 EP - 741 VL - 159 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1964_159_4_a9/ LA - ru ID - DAN_1964_159_4_a9 ER -