@article{DE_1998_34_9_a7,
     author = {P. A. Krutitskii},
     title = {A mixed problem for the dissipative {Helmholtz} equation with an arbitrary partition of the boundary},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1216--1225},
     publisher = {mathdoc},
     volume = {34},
     number = {9},
     year = {1998},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1998_34_9_a7/}
}