%0 Journal Article %A Ackleh, Azmy S. %A Fitzpatrick, Ben G. %T Estimation of discontinuous parameters in general nonautonomous parabolic systems %J Kybernetika %D 1996 %P 543-556 %V 32 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/KYB_1996__32_6_a2/ %G en %F KYB_1996__32_6_a2