@article{SMZ_2005__46_5_53372,
     author = {Skazka, V.V.},
     title = {On counting the number of eigenvalues in the right half-plane for spectral problems connected with hyperbolic systems. {II:} {Differential} equations.},
     journal = {Sibirskij Matematicheskij Zhurnal},
     pages = {1163},
     publisher = {mathdoc},
     volume = {46},
     number = {5},
     year = {2005},
     zbl = {1119.35038},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/item/SMZ_2005__46_5_53372/}
}