Voir la notice de l'article provenant de la source Electronic Library of Mathematics
@article{DOCMA_1998__S8__a13, author = {Smith, Hart F.}, title = {Wave equations with low regularity coefficients}, journal = {Documenta mathematica}, pages = {723--730}, publisher = {mathdoc}, volume = {ICM Berlin 1998, Vol. II}, year = {1998}, language = {en}, url = {http://geodesic.mathdoc.fr/item/DOCMA_1998__S8__a13/} }
Smith, Hart F. Wave equations with low regularity coefficients. Documenta mathematica, ICM Berlin 1998, Vol. II (1998), pp. 723-730. http://geodesic.mathdoc.fr/item/DOCMA_1998__S8__a13/