@article{DAN_1971_197_3_a0,
     author = {A. A. Arsen'ev},
     title = {On the singularities of the analytic continuation and the resonance properties of a solution of the dispersion problem for the {Helmholtz} equation},
     journal = {Doklady Akademii Nauk},
     pages = {511--512},
     publisher = {mathdoc},
     volume = {197},
     number = {3},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1971_197_3_a0/}
}