books.google.com - "Papers presented to J. E. Littlewood on his 80th birthday" issued as 3d ser., v. 14 A, 1965....http://books.google.com/books/about/Proceedings_of_the_London_Mathematical_S.html?id=lekKAAAAYAAJ&utm_source=gb-gplus-shareProceedings of the London Mathematical Society
