@article{AIF_1994__44_4_1181_0, author = {Vogelius, Michael}, title = {An inverse problem for the equation $\triangle u=-cu-d$}, journal = {Annales de l'Institut Fourier}, pages = {1181--1209}, publisher = {Association des Annales de l{\textquoteright}institut Fourier}, volume = {44}, number = {4}, year = {1994}, doi = {10.5802/aif.1429}, zbl = {0813.35136}, mrnumber = {95h:35246}, language = {en}, url = {http://www.numdam.org/articles/10.5802/aif.1429/} }