GEOPHYSICS

Mathematical model of nonlinear generation of ultrasound by seismic waves

A. L. Krylov^ab, V. N. Nikolaevskii^ab, G. A. El<sup>ab

a</sup> The Institute of the Earth Physics, AS USSR, Moscow
^b Pushkov Institute of Terrestrial Magnetism, Ionosphere, and Radio Wave Propagation, RUSSR Academy of Sciences Troitsk, Moscow Region, Troitsk, Moskovskaya obl.

UDC: 551.1+534.03

Presented: P. Ya. Kochina
Received: 02.04.1991