TY  - JOUR
T1  - On Hamilton's Numbers. 
JF  - Proceedings of the Royal Society of London (1854-1905)
VL  - 42
SP  - 470
EP  - 471
PY  - 1887/01/01/
UR  - http://dx.doi.org/10.1098/rspl.1887.0100
M3  - doi:10.1098/rspl.1887.0100
AU  - Sylvester, J.
AU  - Hammond, J.
ER  -