@article{VUU_2011_2_a5,
     author = {T. S. Tinyukova},
     title = {Quasi-levels of the discrete {Schr\"odinger} operator for a~quantum waveguide},
     journal = {Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹ\^uternye nauki},
     pages = {88--97},
     publisher = {mathdoc},
     number = {2},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VUU_2011_2_a5/}
}