TY - JOUR AU - Yuan, Ganghua AU - Yamamoto, Masahiro TI - Lipschitz stability in the determination of the principal part of a parabolic equation JO - ESAIM: Control, Optimisation and Calculus of Variations PY - 2009 SP - 525 EP - 554 VL - 15 IS - 3 PB - EDP-Sciences UR - http://www.numdam.org/articles/10.1051/cocv:2008043/ DO - 10.1051/cocv:2008043 LA - en ID - COCV_2009__15_3_525_0 ER -