@article{DE_1966_2_10_a9,
     author = {N. V. Kuznetsov},
     title = {Asymptotic distribution of eigenfrequencies of a plane membrane in the case of separable variables},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1385--1402},
     publisher = {mathdoc},
     volume = {2},
     number = {10},
     year = {1966},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1966_2_10_a9/}
}