Published online by Cambridge University Press: 15 September 2017
Page 402 of note * Fabian, , Math. Gazette, vol. xx, No. 1 (1936), pp. 249–53 CrossRefGoogle Scholar.
Page 402 of note † Fabian, , Phil. Mag., ser. 7, vol. 21 (1936), pp. 275, 276CrossRefGoogle Scholar.
Page 403 of note * Fabian, , Phil. Mag., ser. 7, vol. 21 (1936), p. 278 CrossRefGoogle Scholar.
Page 403 of note † For this to be possible, β must not be a multiple of ±b.