TY - JOUR AU - V. N. Grishin TI - Consistency of a fragment of Quine’s $\mathrm{NF}$ system JO - Doklady Akademii Nauk PY - 1969 SP - 241 EP - 243 VL - 189 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1969_189_2_a3/ LA - ru ID - DAN_1969_189_2_a3 ER -