1. The pencil (sE−A) and controllability-observability for generalized linear systems;Armentano;SIAM Journal on Control and Optimization,1986
2. On singular implicit linear dynamical systems;Bernhard;SIAM Journal on Control and Optimization,1982
3. Output dynamics assignment for implicit descriptions;Bonilla;Circuits, Systems and Signal Processing, Special Issue on Implicit Robust Systems,1994
4. Bonilla, M., & Malabre, M. (1991). Variable structure systems via implicit descriptions. In First European control conference, Vol. 1 (pp. 403–408) Grenoble, France, 2–5 July.
5. Geometric minimization under external equivalence for implicit descriptions;Bonilla;Automatica,1995