TY - JOUR AU - E. A. Nadaraya TI - On a~quadratic measure of the deviation of projection density estimates JO - Teoriâ veroâtnostej i ee primeneniâ PY - 1976 SP - 864 EP - 871 VL - 21 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TVP_1976_21_4_a17/ LA - ru ID - TVP_1976_21_4_a17 ER -