@article{DAN_1960_130_4_a8,
     author = {G. V. Spivak and I. A. Pryamkova and V. N. Lepeshinskaya},
     title = {Electron optical observation of {\textquotedblleft}spot fields{\textquotedblright} on emitting surfaces},
     journal = {Doklady Akademii Nauk},
     pages = {751--754},
     year = {1960},
     volume = {130},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1960_130_4_a8/}
}