TY - JOUR AU - M. I. Muminov AU - T. H. Rasulov TI - Infiniteness of the number of eigenvalues embedded in the essential spectrum of a~$2\times2$ operator matrix JO - Eurasian mathematical journal PY - 2014 SP - 60 EP - 77 VL - 5 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/EMJ_2014_5_2_a3/ LA - en ID - EMJ_2014_5_2_a3 ER -