TY - BOOK AU - Luke Yudell L TI - Special fuctions and their approximations 2V T2 - Mathematics in Science and Engineering: A Series of Monographs and Textbooks Ed by Richard Bellman 53.2 U1 - B39, K9.1,-K9.2 PY - 1969/// CY - New York PB - Academic Press KW - Special Functions N1 - Bibliography: P 453-461 ER -