00720naa#a2200157#i#450# EN\\bibl\19067 20260122062446.4 20251230b2025####ek#y0engy0150####ca RU SPECTRA AND BOUND STATE OF THE ENERGY OPERATOR OF THREE-MAGNON SYSTEMS IN THE HEISENBERG MODEL IN THE TWO- AND THREE-DIMENSIONAL LATTICE Conference article/thesis Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2025 5 с. Conference article/thesis local Спектральная теория линейных операторов. 517.984 Tashpulatov S. M. bibl.vgltu.ru