Links for Further Reading
1. Laplacian Derivations in Cylindrical and Spherical Coordinates
References
Editors, W. (2020, November 29). Laplace operator. Retrieved December 06, 2020, from https://en.wikipedia.org/wiki/Laplace_operator
Editors, W. (2020, December 05). Harmonic function. Retrieved December 06, 2020, from https://en.wikipedia.org/wiki/Harmonic_function
Wang, R. (2018, December 12). The Laplace Operator. Retrieved December 06, 2020, from http://fourier.eng.hmc.edu/e161/lectures/gradient/node7.html
Weisstein, Eric W. "Harmonic Function." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/HarmonicFunction.html
