A proof of the theorem: $\frac {{\partial ^2 u}} {{\partial x\partial y}} = \frac {{\partial ^2 u}} {{\partial y\partial x}}$
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- by J. K. Whittemore PDF
- Bull. Amer. Math. Soc. 4 (1898), 389-390
References
Additional Information
- Journal: Bull. Amer. Math. Soc. 4 (1898), 389-390
- DOI: https://doi.org/10.1090/S0002-9904-1898-00515-3
- MathSciNet review: 1557623