Templat:Abramowitz Stegun ref
Abramowitz, Milton; Stegun, Irene Ann, ed. (1983). Handbook of Mathematical Functions with Formulas, Graphs, and Mathematical Tables. Applied Mathematics Series. 55 (edisi ke-Ninth reprint with additional corrections of tenth original printing with corrections (December 1972); first). Washington D.C.; New York: United States Department of Commerce, National Bureau of Standards; Dover Publications. ISBN 978-0-486-61272-0. LCCN 64-60036. MR 0167642. LCCN 65-12253.
