@article{DAN_1957_117_5_a20,
     author = {V. M. Fridkin and N. T. Kashukeev and I. S. Zheludev},
     title = {On photoelectret theory},
     journal = {Doklady Akademii Nauk},
     pages = {804--807},
     publisher = {mathdoc},
     volume = {117},
     number = {5},
     year = {1957},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1957_117_5_a20/}
}