@article{DAN_1958_122_6_a7,
     author = {A. Ya. Povzner and I. V. Sukharevsky},
     title = {On the discontinuities of {Green's} function in a mixed problem for the wave equation and some diffraction problems},
     journal = {Doklady Akademii Nauk},
     pages = {986--989},
     publisher = {mathdoc},
     volume = {122},
     number = {6},
     year = {1958},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1958_122_6_a7/}
}