@article{DAN_1975_222_4_a15,
     author = {Ya. I. Fel'dshtein and P. V. Sumaruk and N. F. Shevnina},
     title = {On the diagnostics of azimuthal component of the interplanetary magnetic field based on ground observations},
     journal = {Doklady Akademii Nauk},
     pages = {833--836},
     publisher = {mathdoc},
     volume = {222},
     number = {4},
     year = {1975},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1975_222_4_a15/}
}