TY - JOUR T1 - On Quaternary Cubics JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 150 SP - 229 EP - 239 PY - 1860/01/01/ UR - http://dx.doi.org/10.1098/rstl.1860.0015 M3 - doi:10.1098/rstl.1860.0015 AU - Salmon, G. ER -