@article{IVM_2024_10_a7,
     author = {T. H. Rasulov and A. M. Khalkhuzhaev and M. A. Pardabaev and Kh. G. Khayitova},
     title = {Expansions of eigenvalues of a discrete bilaplacian with two-dimensional perturbation},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {77--89},
     year = {2024},
     number = {10},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2024_10_a7/}
}