Abstract
The refraction coefficient in Helmholtz's equation is found from the knowledge of a family of the solutions to this equation on two lines.
Open Access
An inverse problem for Helmholtz's equation
Received20 Mar 1987
Copyright
Copyright © 1987 Hindawi Publishing Corporation. This is an open access article distributed under the
Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.