TY - JOUR AU - I. A. Ibragimov AU - R. Z. Khas'minskii TI - On sequentional estimation of the location parameter for families of distributions with discontinuous densities JO - Teoriâ veroâtnostej i ee primeneniâ PY - 1974 SP - 700 EP - 713 VL - 19 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TVP_1974_19_4_a2/ LA - ru ID - TVP_1974_19_4_a2 ER -