Bochs is copyrighted by MandrakeSoft S.A. and distributed under the GNU Lesser General Public License. The following text appears at the top of every source code file released under the LGPL in the Bochs distribution: 
This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Mandriva has a web site at http://mandriva.com
Complete text of the GNU LGPL is included with the source code in a file called COPYING, and is also here.
Parts of Bochs have specific licenses which are compatible with the GNU Lesser General Public License. Hence each source file contains its own licensing information.