@article{DAN_1960_132_6_a20,
     author = {K. I. Gringauz and V. A. Rudakov},
     title = {Determination of electron concentration in the ionosphere from the rotation of the plane of polarization 
},
     journal = {Doklady Akademii Nauk},
     pages = {1311--1313},
     publisher = {mathdoc},
     volume = {132},
     number = {6},
     year = {1960},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1960_132_6_a20/}
}