@article{SM_2009_200_9_a5,
     author = {V. A. Yurko},
     title = {Recovering {Sturm-Liouville} operators from spectra on a~graph with a~cycle},
     journal = {Sbornik. Mathematics},
     pages = {1403--1415},
     year = {2009},
     volume = {200},
     number = {9},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2009_200_9_a5/}
}