@article{IVM_2023_2_a0,
     author = {Zh. I. Abdullaev and A. M. Khalkhuzhaev and I. A. Khujamiyorov},
     title = {Existence condition of an eigenvalue of the three particle {Schr\"odinger} operator on a lattice},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {3--25},
     year = {2023},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2023_2_a0/}
}