@misc{Cayley_Arthur_(1821–1895)_On_1891, author={Cayley, Arthur (1821–1895)}, volume={4}, copyright={Public Domain}, journal={Mathematical papers}, address={Cambridge}, howpublished={online}, year={1891}, publisher={University Press}, language={eng}, type={Text}, title={On the demonstration of a theorem relating to the moments of inertia of a solid body}, URL={http://rcin.org.pl./Content/127865/PDF/WA35_155499_12807-4_On-the-demonstration.pdf}, }