@misc{Sylvester_James_Joseph_(1814–1897)_The_1908, author={Sylvester, James Joseph (1814–1897)}, copyright={Public Domain}, address={Cambridge}, howpublished={online}, year={1908}, publisher={Cambridge University Press}, language={eng}, type={Text}, title={The story of an equation in differences of the second order}, URL={http://rcin.org.pl./Content/115447/PDF/WA35_140272_11371-2_Art104.pdf}, }