The NumericalSgps package is Copyright Centro de Matemática da Universidade do Porto and Universidad de Granada, 2005--2011.

NumericalSgps is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version. For details, see the file GPL in this package or https://www.gnu.org/licenses/gpl.html
