TY - JOUR T1 - Sturm-Liouville Series of Normal Functions in the Theory of Integral Equations JF - Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character (1905-1934) VL - 84 IS - 574 SP - 573 EP - 575 PY - 1911/02/15/ UR - http://dx.doi.org/10.1098/rspa.1911.0009 M3 - doi:10.1098/rspa.1911.0009 AU - Mercer, J. ER -