DLMF:1.9.E27
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Math Formula Information
Formula: Failed to parse (unknown function "\pderiv"): {\displaystyle \pderiv[2]{u}{r}+\frac{1}{r}\pderiv{u}{r}+\frac{1}{r^{2}}\pderiv[2]{u}{\theta}=0}
Name: DLMF:1.9.E27
Description:
Data Source
https://lct.wmflabs.org/w/index.php?title=Special:EntityPage/Q302