TY - JOUR AU - M. L. Gerver AU - E. A. Kudryavtseva TI - Extremal properties of discrete measures, the~universal sequence, and the~duality principle JO - Sbornik. Mathematics PY - 1998 SP - 1587 EP - 1610 VL - 189 IS - 11 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SM_1998_189_11_a0/ LA - en ID - SM_1998_189_11_a0 ER -