Communications on Pure and Applied MathematicsVolume 10, Issue 1 p. 89-105 Article Uniqueness in Cauchy problems for differential equations with constant leading coefficients† Louis Nirenberg, Louis NirenbergSearch for more papers by this author Louis Nirenberg, Louis NirenbergSearch for more papers by this author First published: 1957 https://doi.org/10.1002/cpa.3160100104Citations: 61 † This paper represents results obtained at the University of California, Berkeley, and at New York University under the sponsorship of the Office of Naval Research, United States Navy, Contract N6ori-201, T.O. No. 1. AboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onFacebookTwitterLinked InRedditWechat Citing Literature Volume10, Issue11957Pages 89-105 RelatedInformation