TY - JOUR T1 - Erratum JF - Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character (1905-1934) VL - 84 IS - 567 SP - vii EP - vii PY - 1910/06/09/ UR - http://dx.doi.org/10.1098/rspa.1910.0051 M3 - doi:10.1098/rspa.1910.0051 ER -