TY - JOUR AU - Tulkin H. Rasulov AU - Bekzod I. Bahronov TI - Existence of the eigenvalues of a tensor sum of the Friedrichs models with rank 2 perturbation JO - Nanosistemy: fizika, himiâ, matematika PY - 2023 SP - 151 EP - 157 VL - 14 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/NANO_2023_14_2_a0/ LA - en ID - NANO_2023_14_2_a0 ER -