@misc{Cayley_Arthur_(1821–1895)_On_1896, author={Cayley Arthur (1821–1895)}, volume={9}, copyright={Public Domain}, address={Cambridge}, journal={The collected mathematical papers of Arthur Cayley}, howpublished={online}, year={1896}, publisher={Cambridge University Press}, language={eng}, type={Text}, title={On the general differential equations dx/√X+dy/√Y=0, where X, Y are the same quartic functions of x, y respectively}, URL={http://rcin.org.pl/Content/121806/PDF/WA35_151831_12807-9_626.pdf}, }