Referee's report by Godfrey Harold Hardy, on a paper 'A simple extension of Fourier's integral theorem and some physical applications, in particular to the theory of quanta' by Ralph Howard Fowler Sectional Committee: Mathematics Recommended for publication in the 'Proceedings of the Royal Society of London'. Suggests adding an explanation of Mellin's integral. Suggests further explanation of the formulas used, for clarifiaction. Refers to work by Karl Weierstrass. [Published in the 'Proceedings of the Royal Society of London' A, 1921] Endorsed on verso as received 14 June 1921. 12 June 1921