Inverse problem of wave propagation in a random medium

The problem of finding the propagation velocity of waves is studied if this velocity is a random function of position.Translated from Zapiski Nauchnykh Seminarov Leningradskogo Otdeleniya Matematicheskogo Instituta im. V. A. Steklova AN SSSR, Vol. 89, pp. 63–70, 1979.