TY - JOUR AU - Knobloch, H. W. TI - Observability of nonlinear systems JO - Mathematica Bohemica PY - 2006 SP - 411 EP - 418 VL - 131 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/MB.2006.133974/ DO - 10.21136/MB.2006.133974 LA - en ID - 10_21136_MB_2006_133974 ER -