Elsgolc L E Qualitative methods in mathematical analysis by Elsgolc L E; Brown A A Tr.; Danskin J M Tr. - Providence American Mathematical Society 1964 - vii, 250p. cm. - Translations of mathematical monographs; 12 . Standard No.: 70071 Source: Textual Subjects--Topical Terms: Analysis Dewey Class. No.: B3, K43