An approach to the Morgan problem Petr Zagalak; Jean-François Lafay; Jean-Jacques Loiseau — 1993 Kybernetika
Controllability indices of linear systems with delays Olivier Sename; Jean-François Lafay; Rabah Rabah — 1995 Kybernetika
Structure of linear systems: Geometric and transfer matrix approaches Christian Commault; Jean-François Lafay; Michel Malabre — 1991 Kybernetika