TY - JOUR AU - R. V. Freivalds TI - The complexity of the recognition of symmetry on Turing machines JO - Algebra i logika PY - 1965 SP - 47 EP - 58 VL - 4 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AL_1965_4_1_a3/ LA - ru ID - AL_1965_4_1_a3 ER -