@article{DE_1974_10_5_a13,
     author = {A. F. Goryunov},
     title = {Estimation of the growth of the eigenvalues of a certain problem with a parameter in the boundary condition},
     journal = {Differencialʹnye uravneni\^a},
     pages = {879--889},
     publisher = {mathdoc},
     volume = {10},
     number = {5},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1974_10_5_a13/}
}