@article{DAN_1977_233_1_a21,
     author = {G. M. Teptin and Yu. M. Stenin},
     title = {On the spectrum of electron concentration inhomogeneities in the lower ionosphere},
     journal = {Doklady Akademii Nauk},
     pages = {85--88},
     publisher = {mathdoc},
     volume = {233},
     number = {1},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1977_233_1_a21/}
}