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This research was supported in part by NSF Grant DMS 9205222 (Bryant), an NSERC Postdoctoral Fellowship (Hsu), and the Institute for Advanced Study (Griffiths and Hsu).IAS Preprint: 1/25/94.
Part II will appear in Vol. 1, No. 2 of this journal.
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Bryant, R., Griffiths, P. & Hsu, L. Hyperbolic exterior differential systems and their conservation laws, part I. Selecta Mathematica, New Series 1, 21–112 (1995). https://doi.org/10.1007/BF01614073
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DOI: https://doi.org/10.1007/BF01614073