@article{DAN_1963_150_3_a19,
     author = {V. A. Dubrovskii},
     title = {Quasiclassical asymptotic of {Dirac's} equation},
     journal = {Doklady Akademii Nauk},
     pages = {527--530},
     publisher = {mathdoc},
     volume = {150},
     number = {3},
     year = {1963},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1963_150_3_a19/}
}