00687nam0-22002411i-450-990001199410403321000119941FED01000119941(Aleph)000119941FED0100011994120000920d--------km-y0itay50------baengInvariance and system theoryAlgebraic and geometric aspectsby TANNENBAUM Allen.Lecture Notes in MathematicsTannenbaum,Allen56389ITUNINARICAUNIMARCBK990001199410403321C-20-(84520227MA1MA1Invariance and system theory81036UNINAING01