TY - JOUR AU - Ya. Sh. Salimov TI - Estimation of spectral density corresponding to an expansion in an $N$-multiple system of exponentials JO - Differencialʹnye uravneniâ PY - 1986 SP - 114 EP - 125 VL - 22 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1986_22_1_a13/ LA - ru ID - DE_1986_22_1_a13 ER -