@misc{Cayley_Arthur_(1821–1895)_On_1897, author={Cayley, Arthur (1821–1895)}, volume={13}, copyright={Public Domain}, journal={Mathematical papers}, address={Cambridge}, howpublished={online}, year={1897}, publisher={Cambridge University Press}, language={eng}, type={Text}, title={On the problem of tactions}, URL={http://rcin.org.pl./Content/145145/PDF/WA35_176658_12807-13_Art919.pdf}, }