@misc{Cunningham_Allan_Joseph_Champneys_(1842–1928)_Number_1893-1894,
 author={Cunningham, Allan Joseph Champneys (1842–1928)},
 volume={XXIII},
 editor={Glaisher, James Whitbread Lee (1848–1928)},
 copyright={Public Domain},
 address={London ;},
 address={Cambridge},
 journal={The Messenger of Mathematics},
 howpublished={online},
 year={1893-1894},
 publisher={Macmillan and Co.},
 language={eng},
 language={eng},
 type={Text},
 title={Number of proper ternary n-ics},
 URL={http://www.rcin.org.pl/Content/109353/PDF/WA35_88008_cz294-1894-t23_Art1.pdf},
}