%0 Journal Article %A Ahmad M. Khalkhuzhaev %A Islom. A. Khujamiyorov %T On the discrete spectrum of the Schr\"odinger operator using the 2+1 fermionic trimer on the lattice %J Nanosistemy: fizika, himiâ, matematika %D 2023 %P 518-529 %V 14 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/NANO_2023_14_5_a2/ %G en %F NANO_2023_14_5_a2