TY - JOUR T1 - On the Motion of a Rigid Body Acted on by No External Forces JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 156 SP - 757 EP - 779 PY - 1866/01/01/ UR - http://dx.doi.org/10.1098/rstl.1866.0025 M3 - doi:10.1098/rstl.1866.0025 AU - Sylvester, J. ER -