@article{DAN_1979_244_2_a6,
     author = {B. S. Pavlov},
     title = {The partial scattering matrix, its factorization and analyticity},
     journal = {Doklady Akademii Nauk},
     pages = {291--295},
     publisher = {mathdoc},
     volume = {244},
     number = {2},
     year = {1979},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1979_244_2_a6/}
}