@article{TMF_2010_165_1_a6,
     author = {Yu. P. Chuburin},
     title = {A~discrete {Schr\"odinger} operator on a~graph},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {119--133},
     publisher = {mathdoc},
     volume = {165},
     number = {1},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2010_165_1_a6/}
}