@article{ZNSL_1979_84_a9,
     author = {E. L. Korotyaev},
     title = {The scattering problem for a~long-range periodic in time potential},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {114--116},
     publisher = {mathdoc},
     volume = {84},
     year = {1979},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1979_84_a9/}
}