@article{DAN_1971_197_5_a2,
     author = {V. S. Buslaev},
     title = {Scattered plane waves, spectral asymptotics and trace formulas in exterior problems},
     journal = {Doklady Akademii Nauk},
     pages = {999--1002},
     publisher = {mathdoc},
     volume = {197},
     number = {5},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1971_197_5_a2/}
}