@article{JCEM_2021_8_3_a3,
     author = {S. I. Kadchenko and A. V. Stavtseva and L. S. Ryazanova},
     title = {Numerical methods for solving spectral problems on quantum graphs},
     journal = {Journal of computational and engineering mathematics},
     pages = {49--70},
     publisher = {mathdoc},
     volume = {8},
     number = {3},
     year = {2021},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JCEM_2021_8_3_a3/}
}