TY - JOUR AU - E. V. Ovchinnikova TI - On homogeneous extensions of finite predicate systems JO - Fundamentalʹnaâ i prikladnaâ matematika PY - 2009 SP - 137 EP - 140 VL - 15 IS - 7 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FPM_2009_15_7_a5/ LA - ru ID - FPM_2009_15_7_a5 ER -