TY  - JOUR
T1  - Functions of Positive and Negative Type, and their Connection with the Theory of Integral Equations
JF  - Philosophical Transactions of the Royal Society of London. Series A, Containing Papers of a Math. or Phys. Character (1896-1934)
VL  - 209
SP  - 415
EP  - 446
PY  - 1909/01/01/
UR  - http://dx.doi.org/10.1098/rsta.1909.0016
M3  - doi:10.1098/rsta.1909.0016
AU  - Mercer, J.
ER  -