Luke Yudell L Special fuctions and their approximations 2V - New York Academic Press 1969 - xx,483p cm. - Mathematics in Science and Engineering: A Series of Monographs and Textbooks Ed by Richard Bellman 53.2 V1 . Bibliography: P 453-461 Source: General Book Subjects--Topical Terms: Special Functions Dewey Class. No.: B39, K9.1,-K9.2