TY - JOUR AU - E. N. Goncharov TI - A mathematical model and method for solving a two-level standardization problem JO - Matematičeskie trudy PY - 1994 SP - 77 EP - 90 VL - 28 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MT_1994_28_a3/ LA - ru ID - MT_1994_28_a3 ER -