@article{RM_2016_71_3_a3,
     author = {V. A. Yurko},
     title = {Inverse spectral problems for differential operators on spatial networks},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {539--584},
     year = {2016},
     volume = {71},
     number = {3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_2016_71_3_a3/}
}