TY  - JOUR
AU  - S. M. Tashpulatov
TI  - Structure of essential spectra and discrete spectrum of the energy operator of two-magnon systems with four-spin exchange Hamiltonian
JO  - Taurida Journal of Computer Science Theory and Mathematics
PY  - 2024
SP  - 75
EP  - 85
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TVIM_2024_2_a4/
LA  - ru
ID  - TVIM_2024_2_a4
ER  -