@article{UFA_2015_7_1_a1,
     author = {A. M. Akhtyamov and R. R. Kumushbaev},
     title = {Identification of a~polynomial in nonseparated boundary conditions in the case of a~multiple zero eigenvalue},
     journal = {Ufa mathematical journal},
     pages = {13--18},
     publisher = {mathdoc},
     volume = {7},
     number = {1},
     year = {2015},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/UFA_2015_7_1_a1/}
}