@misc{Cayley_Arthur_(1821–1895)_On_1892, author={Cayley Arthur (1821–1895)}, volume={5}, copyright={Public Domain}, journal={The collected mathematical papers of Arthur Cayley}, address={Cambridge}, howpublished={online}, year={1892}, publisher={Cambridge University Press}, language={eng}, type={Text}, title={On the Transcendent gd u=1/i log tan (1/4π+1/2 ui)}, URL={http://rcin.org.pl/Content/124135/PDF/WA35_153224_12807-5_Art320.pdf}, }