@incollection{JEDP_1995____A13_0, author = {Giorgio Talenti}, title = {On complex-valued solutions to a {2D} eikonal equation}, booktitle = {}, series = {Journ\'ees \'equations aux d\'eriv\'ees partielles}, eid = {13}, pages = {1--6}, publisher = {\'Ecole polytechnique}, year = {1995}, zbl = {0876.35024}, mrnumber = {1360482}, language = {en}, url = {https://proceedings.centre-mersenne.org/item/JEDP_1995____A13_0/} }
Giorgio Talenti. On complex-valued solutions to a 2D eikonal equation. Journées équations aux dérivées partielles (1995), article no. 13, 6 p. https://proceedings.centre-mersenne.org/item/JEDP_1995____A13_0/