TY - JOUR T1 - A Memoir on the Theory of Mathematical Form JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 177 SP - 1 EP - 70 PY - 1886/01/01/ UR - http://dx.doi.org/10.1098/rstl.1886.0002 M3 - doi:10.1098/rstl.1886.0002 AU - Kempe, A. ER -