@article{202201.0438, doi = {10.20944/preprints202201.0438.v1}, url = {https://doi.org/10.20944/preprints202201.0438.v1}, year = 2022, month = {January}, publisher = {Preprints}, author = {Ramses van der Toorn}, title = {The Singularity of Legendre Functions of the First Kind as a Consequence of the Symmetry of Legendre’s Equation}, journal = {Preprints} }