TY - JOUR AU - V. P. Dobritsa TI - Structural properties of computable classes of constructive JO - Algebra i logika PY - 1987 SP - 36 EP - 62 VL - 26 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AL_1987_26_1_a2/ LA - ru ID - AL_1987_26_1_a2 ER -