@article{COCV_2009__15_3_525_0,
     author = {Yuan, Ganghua and Yamamoto, Masahiro},
     title = {Lipschitz stability in the determination of the principal part of a parabolic equation},
     journal = {ESAIM: Control, Optimisation and Calculus of Variations},
     pages = {525--554},
     publisher = {EDP-Sciences},
     volume = {15},
     number = {3},
     year = {2009},
     doi = {10.1051/cocv:2008043},
     mrnumber = {2542571},
     zbl = {1182.35238},
     language = {en},
     url = {http://www.numdam.org/articles/10.1051/cocv:2008043/}
}