@article{VUU_2009_3_a8,
     author = {T. S. Tinyukova and Yu. P. Chuburin},
     title = {Quasi-levels of the discrete {Schr\"odinger} equation with a~decreasing potential on a~graph},
     journal = {Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹ\^uternye nauki},
     pages = {104--113},
     publisher = {mathdoc},
     number = {3},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VUU_2009_3_a8/}
}