Pergamon Press
R. Iserman
IFAC Symposium on Identification and System Parameter Estimation

Hanzon, B., & Hazewinkel, M. (1983). On identification of linear systems and the estimation Lie-algebra of the associated nonlinear filtering problem. In R. Iserman (Ed.), Proceedings of IFAC symposium on identification and system parameter estimation 1982 (pp. 63–68). Pergamon Press.