TY - JOUR AU - G. G. Islamov TI - On an upper bound for the spectral radius JO - Doklady Akademii Nauk PY - 1992 SP - 836 EP - 838 VL - 322 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1992_322_5_a3/ LA - ru ID - DAN_1992_322_5_a3 ER -