TY  - BOOK
AU  - Nijmeijer,H. [ed.]
AU  - Schumacher, J.M.  ed.by
TI  - Three decades of mathematical systems theory: a collection of surveys at the occasion of the 50th birth dayof Jan C williems
T2  - ( Lecture notes in control and information sciences,135)
PY  - 1989///
CY  - Berlin
PB  - Springer-Verlag
N1  - Ref. at the end of each chap
ER  -