@misc{Cayley_Arthur_(1821–1895)_Second_1891, author={Cayley, Arthur (1821–1895)}, volume={4}, copyright={Public Domain}, address={Cambridge}, journal={Mathematical papers}, howpublished={online}, year={1891}, publisher={University Press}, language={eng}, title={Second note on Poinsot's four new regular Polyhedra}, type={Text}, URL={http://rcin.org.pl/Content/124751/PDF/WA35_152750_12807-4_Second-note-on.pdf}, }