1. I. P. Natanson, Theory of functions of a real variable, Frederick Ungar Publishing Co., New York, 1955, 277–, (English translation from Russian.)MR0067952 (16,804c)
2. Felix Hausdorff, Set theory, Chelsea Publishing Company, New York, 1957, 352–, (English translation from German.)MR0086020 (19,111a)0081.04601
3. On a Formula Concerning Stochastic Differentials