No CrossRef data available.
Published online by Cambridge University Press: 18 August 2016
page 129 note * For errata in Hardy's note, see p. 201.
page 131 note * In arriving at this value was correctly calculated while (Ia)20:20 was found approximately from the 3, 4 and 5 % values of using formula (4) of J.I.A. Vol. LIX, p. 403.