@article{DAN_1973_213_3_a16,
     author = {A. F. Malov and V. A. Suzdalev and A. I. Zaboev and E. P. Fedoseev},
     title = {Nonparaxial focusing of charged particle beams in mid-plane of axially symmetric magnetic field at arbitrary range of particle mass change},
     journal = {Doklady Akademii Nauk},
     pages = {556--559},
     publisher = {mathdoc},
     volume = {213},
     number = {3},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1973_213_3_a16/}
}