TY  - JOUR
T1  - The Differential Covariants of Twisted Curves, with Some Illustrations of the Application to Quartic Curves. 
JF  - Proceedings of the Royal Society of London (1854-1905)
VL  - 56
SP  - 272
EP  - 277
PY  - 1894/01/01/
UR  - http://dx.doi.org/10.1098/rspl.1894.0109
M3  - doi:10.1098/rspl.1894.0109
AU  - Gwyther, R.
ER  -
