TY - JOUR AU - M. I. Muminov AU - T. H. Rasulov TI - On the number of eigenvalues of the family of operator matrices JO - Nanosistemy: fizika, himiâ, matematika PY - 2014 SP - 619 EP - 625 VL - 5 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/NANO_2014_5_5_a0/ LA - en ID - NANO_2014_5_5_a0 ER -