The plan of this book had its inception in a course of lectures on arithmetical functions given by me in the summer of 1964 at the Forschungsinstitut fUr Mathematik of the Swiss Federal Institute of Technology, Zurich, at the invitation of Professor Beno Eckmann.
Selberg's fonnula .
Wirsing's inequality .
Springer-verlag Berlin And Heidelberg Gmbh & Co. K Arithmetical functions, paperback/komaravolu chandrasekharan
