@article{UFA_2015_7_3_a12,
     author = {Kh. R. Mamedov and D. Karahan},
     title = {On an inverse spectral problem  for {Sturm--Liouville} operator  with discontinuous coefficient},
     journal = {Ufa mathematical journal},
     pages = {119--131},
     publisher = {mathdoc},
     volume = {7},
     number = {3},
     year = {2015},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/UFA_2015_7_3_a12/}
}