On the Existence and Uniqueness of the Solution of Cauchy's Problem for a System of Two First Order Partial Differential Equations
- 1 January 1930
- journal article
- Published by Wiley in Proceedings of the London Mathematical Society
- Vol. s2-30 (1) , 248-263
- https://doi.org/10.1112/plms/s2-30.1.248