@article{TVP_1975_20_3_a9,
     author = {A. D. Wentzel'},
     title = {On the asymptotic behaviour of the first eigenvalue of a~second-order differential operator with small parameter by the higher derivatives},
     journal = {Teori\^a vero\^atnostej i ee primeneni\^a},
     pages = {610--613},
     publisher = {mathdoc},
     volume = {20},
     number = {3},
     year = {1975},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TVP_1975_20_3_a9/}
}