Luke Yudell L Special funtions and their approximations Luke Yudell L - New York Academic Press 1969 - xx,485p. cm. - Mathemarics in Science and Engineering a series of monographs and textbooks . Bibliography 453-462p Standard No.: 28954 Source: Textual Subjects--Topical Terms: Special functions Dewey Class. No.: B39, K9.1;1 K9.2