TY - JOUR T1 - On Linear Differential Equations.--No. II JF - Proceedings of the Royal Society of London (1854-1905) VL - 18 SP - 210 EP - 212 PY - 1869/01/01/ UR - http://dx.doi.org/10.1098/rspl.1869.0050 M3 - doi:10.1098/rspl.1869.0050 AU - Russell, W. ER -