Springer
Lecture notes in economics and mathematical systems
CNR-CISM symposium on algebraic system theory

Hazewinkel, M., & Kalman, R. E. (1976). On invariants, canonical forms and moduli for linear, constant, finite dimensional, dynamical systems. In Proceedings of CNR-CISM symposium on algebraic system theory 1975 (pp. 48–60). Springer.