@article{NANO_2020_11_3_a1,
     author = {V. D. Lukyanov and D. A. Bulekbaev and A. V. Morozov and L. V. Nosova},
     title = {Approximate analytical method for finding eigenvalues of {Sturm--Liouville} problem with generalized boundary condition of the third kind},
     journal = {Nanosistemy: fizika, himi\^a, matematika},
     pages = {275--284},
     publisher = {mathdoc},
     volume = {11},
     number = {3},
     year = {2020},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/NANO_2020_11_3_a1/}
}