TY - JOUR AU - I. A. Kareev TI - Lower bounds for average sample size and efficiency of sequential ranking procedures JO - Teoriâ veroâtnostej i ee primeneniâ PY - 2013 SP - 591 EP - 597 VL - 58 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TVP_2013_58_3_a9/ LA - ru ID - TVP_2013_58_3_a9 ER -