@misc{Cayley_Arthur_(1821–1895)_Abstract_1889, author={Cayley Arthur (1821–1895)}, copyright={Public Domain}, address={Cambridge}, journal={Mathematical papers}, howpublished={online}, year={1889}, publisher={Cambridge University Press}, language={eng}, title={Abstract of a Memoir by Dr Hesse on the construction of the Surface of the Second Order which passes through nine given points}, type={Text}, URL={http://rcin.org.pl/Content/119092/PDF/WA35_143378_12807-1_Art73.pdf}, }