Méthode d'agrégation des variables appliquée à la dynamique des populations. - Pierre Auger; Abderrahim El Abdllaoui; Rachid Mchich (ARIMA J., 2006)

POINCARÉ CODE: A package of open-source implements for normalization and computer algebra reduction near equilibria of coupled ordinary differential equations. - Jilali Mikram; Fouad Zinoun; Abderrahim El Abdllaoui (Comput. Phys. Commun., 2013)