TY - JOUR AU - Ackleh, Azmy S. AU - Fitzpatrick, Ben G. TI - Estimation of discontinuous parameters in general nonautonomous parabolic systems JO - Kybernetika PY - 1996 SP - 543 EP - 556 VL - 32 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/KYB_1996__32_6_a2/ LA - en ID - KYB_1996__32_6_a2 ER -