@misc{Cayley_Arthur_(1821–1895)_Formulae_1896, author={Cayley, Arthur (1821–1895)}, volume={11}, copyright={Public Domain}, address={Cambridge}, journal={Mathematical papers}, howpublished={online}, year={1896}, publisher={Cambridge University Press}, language={eng}, language={eng}, type={Text}, title={Formulae involving the sevents roots of unity}, URL={http://www.rcin.org.pl/impan/Content/147711/PDF/WA35_180791_12807-11_art-16.pdf}, }