@misc{Cayley_Arthur_(1821–1895)_On_1897, author={Cayley Arthur (1821–1895)}, copyright={Public Domain}, address={Cambridge}, journal={Mathematical papers}, howpublished={online}, year={1897}, publisher={Cambridge University Press}, language={eng}, title={On associative imaginaries}, type={Text}, URL={http://rcin.org.pl./Content/125342/PDF/WA35_153802_12807-12_Art24.pdf}, }