@article{DE_1989_25_11_a29,
     author = {T. A. Samarskaya},
     title = {On a generalization of {Steklov's} decomposability theorem to the case of nonlocal boundary conditions},
     journal = {Differencialʹnye uravneni\^a},
     pages = {2008--2010},
     publisher = {mathdoc},
     volume = {25},
     number = {11},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1989_25_11_a29/}
}