@article{DE_1979_15_4_a14,
     author = {V. M. Favorin},
     title = {Behavior of the {Green} function of the third exterior boundary value problem for the two-dimensional {Helmholtz} equation $\Delta u+k^2u=f$, as $k\to0$},
     journal = {Differencialʹnye uravneni\^a},
     pages = {709--716},
     publisher = {mathdoc},
     volume = {15},
     number = {4},
     year = {1979},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1979_15_4_a14/}
}