Celebratio Mathematica

A. Zyg­mund: “Book re­view: H. G. Hardy, J. E. Lit­tle­wood and G. Pólya , ‘In­equal­it­ies’,” Bull. Am. Math. Soc. 59 : 4 (1953), pp. 411–​412. MR 1565505 article

E. M. Stein and A. Zyg­mund: “On the frac­tion­al dif­fer­en­ti­ab­il­ity of func­tions,” Proc. Lon­don Math. Soc. (3) 14A : 1 (1965), pp. 249–​264. To J. E. Lit­tle­wood on his 80th birth­day. MR 0177076 Zbl 0154.​05501 article