@article{VSPUI_2013_3_a18,
     author = {A. P. Zhabko},
     title = {V.\,V.~Provotorov. {Eigenfunction} of boundary value problems on graphs and applications},
     journal = {Vestnik Sankt-Peterburgskogo universiteta. Prikladna\^a matematika, informatika, processy upravleni\^a},
     pages = {181--182},
     publisher = {mathdoc},
     number = {3},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VSPUI_2013_3_a18/}
}