TY  - JOUR
T1  - Sets of Operations in Relation to Groups of Finite Order. 
JF  - Proceedings of the Royal Society of London (1854-1905)
VL  - 64
SP  - 319
EP  - 320
PY  - 1898/01/01/
UR  - http://dx.doi.org/10.1098/rspl.1898.0105
M3  - doi:10.1098/rspl.1898.0105
AU  - Whitehead, A.
ER  -