%0 Journal Article %A Guidorzi, Roberto P. %T Equivalence, invariance and dynamical system canonical modelling. I. Invariant properties of observable models and associated transformations %J Kybernetika %D 1989 %P 233-257 %V 25 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/KYB_1989__25_4_a0/ %G en %F KYB_1989__25_4_a0