TY - JOUR AU - E. B. Bagirov TI - Low Estimate for Distributions of Quadratic Forms of Normally Distributed Random Variables JO - Teoriâ veroâtnostej i ee primeneniâ PY - 1987 SP - 815 EP - 819 VL - 32 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TVP_1987_32_4_a24/ LA - ru ID - TVP_1987_32_4_a24 ER -