@article{DE_1974_10_3_a11,
     author = {\`E. M. Saak},
     title = {Estimate of the change of the solution of the {Dirichlet} problem under variation of the domain},
     journal = {Differencialʹnye uravneni\^a},
     pages = {507--512},
     publisher = {mathdoc},
     volume = {10},
     number = {3},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1974_10_3_a11/}
}