@article{DAN_1992_324_5_a13, author = {I. O. Kitov and M. B. Gokhberg}, title = {Near surface source acoustic energy determination on the base of vertical sounding of the ionosphere}, journal = {Doklady Akademii Nauk}, pages = {982--985}, publisher = {mathdoc}, volume = {324}, number = {5}, year = {1992}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1992_324_5_a13/} }