TY - JOUR AU - P. E. Alaev TI - Existence and uniqueness of structures computable in polynomial time JO - Algebra i logika PY - 2016 SP - 106 EP - 112 VL - 55 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AL_2016_55_1_a6/ LA - ru ID - AL_2016_55_1_a6 ER -