@article{10_1090_S0894_0347_2014_00787_6,
     author = {Bao, Gang and Zhang, Hai},
     title = {Sensitivity analysis of an inverse problem for the wave equation with caustics},
     journal = {Journal of the American Mathematical Society},
     pages = {953--981},
     publisher = {mathdoc},
     volume = {27},
     number = {4},
     year = {2014},
     doi = {10.1090/S0894-0347-2014-00787-6},
     url = {http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-2014-00787-6/}
}