TY - JOUR AU - A. M. Khalkhuzhaev TI - Essential spectrum of three-particle discrete operator corresponding to a system of three fermions on a lattice JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 2017 SP - 76 EP - 88 IS - 9 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_2017_9_a7/ LA - ru ID - IVM_2017_9_a7 ER -