@article{VVGUM_2018_21_4_a1,
     author = {A. N. Shelkovoy},
     title = {Spectral properties of second order differential operator determined by non-local boundary conditions},
     journal = {Matemati\v{c}eska\^a fizika i kompʹ\^uternoe modelirovanie},
     pages = {18--33},
     publisher = {mathdoc},
     volume = {21},
     number = {4},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VVGUM_2018_21_4_a1/}
}