TY - JOUR AU - E. L. Presman TI - Estimation of the Constant in a Burkholder Inequality for Supermartingales and Martingales JO - Teoriâ veroâtnostej i ee primeneniâ PY - 2008 SP - 172 EP - 178 VL - 53 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TVP_2008_53_1_a11/ LA - ru ID - TVP_2008_53_1_a11 ER -