@misc{Sylvester_James_Joseph_(1814–1897)_On_1909, author={Sylvester, James Joseph (1814–1897)}, volume={3}, copyright={Public Domain}, address={Cambridge}, howpublished={online}, year={1909}, publisher={Cambridge University Press}, language={eng}, title={On the S-square imaginaries}, type={Text}, URL={http://rcin.org.pl/impan/Content/162577/PDF/WA35_189962_11371-3_art-73.pdf}, }