@article{DE_1973_9_9_a15,
     author = {\`E. A. Pais},
     title = {The smoothness of the eigenfunctions of a compressed plate near the corners},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1700--1706},
     year = {1973},
     volume = {9},
     number = {9},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1973_9_9_a15/}
}