@article{FAA_2012_46_2_a2,
     author = {R. S. Ismagilov},
     title = {A {Formula} for the {Spectra} of {Differential} {Operators} on {Graphs}},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {17--23},
     publisher = {mathdoc},
     volume = {46},
     number = {2},
     year = {2012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_2012_46_2_a2/}
}