@techreport{EsteveZuazua, author = {Esteve, C and Zuazua, Enrique}, title = {The Inverse Problem for Hamilton-Jacobi equations and Semiconcave Envelopes}, url = {https://opus4.kobv.de/opus4-trr154/346}, language = {en}, type = {Preprint}, institution = {TRR 154} }