TY - JOUR AU - V. Kh. Khakhanyan TI - The comparative strength of variants of Church's thesis at the level of set theory JO - Doklady Akademii Nauk PY - 1980 SP - 1070 EP - 1074 VL - 252 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1980_252_5_a11/ LA - ru ID - DAN_1980_252_5_a11 ER -