Jutila completed a doctorate at the University of Turku in 1970, with a dissertation related to Linnik's constant supervised by . Jutila's work has repeatedly succeeded in lowering the
upper bound for
Linnik's constant. He is the author of a
monograph,
Lectures on a method in the theory of exponential sums (1987). He has been a member of the
Finnish Academy of Science and Letters since 1982. ==References==