@article{MZ_1996__221_1_174851,
     author = {Ziqi Sun},
     title = {On a quasilinear inverse boundary value problem.},
     journal = {Mathematische Zeitschrift},
     pages = {293--306},
     publisher = {mathdoc},
     volume = {221},
     number = {1},
     year = {1996},
     zbl = {0843.35137},
     url = {http://geodesic.mathdoc.fr/item/MZ_1996__221_1_174851/}
}