TY - JOUR AU - V. G. Alekseev TI - Some properties of statistical estimates of higher spectral densities JO - Teoriâ veroâtnostej i ee primeneniâ PY - 1990 SP - 431 EP - 437 VL - 35 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TVP_1990_35_3_a1/ LA - ru ID - TVP_1990_35_3_a1 ER -