@article{IVM_2020_5_a0,
     author = {G. P. Arzikulov and Yu. Kh. Eshkabilov},
     title = {About the spectral properties of one three-partial model operator},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {3--10},
     publisher = {mathdoc},
     number = {5},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2020_5_a0/}
}