@misc{Sylvester_James_Joseph_(1814–1897)_Note_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={Note on the theory of simultaneous linear differential or difference equations with constant coefficients}, type={Text}, URL={http://rcin.org.pl/Content/162551/PDF/WA35_189926_11371-3_art-63.pdf}, }