@article{SIGMA_2017_13_a84,
     author = {Sergey M. Zagorodnyuk},
     title = {The {Inverse} {Spectral} {Problem} for {Jacobi-Type} {Pencils}},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2017},
     volume = {13},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2017_13_a84/}
}