Bender, C. M., & Orszag, S. A. (1978). Advanced mathematical methods for scientists and engineers I: Asymptotic methods and perturbation theory. New York: McGraw-Hill.
Παραπομπή Chicago StyleBender, Carl M., and Steven A. Orszag. Advanced Mathematical Methods for Scientists and Engineers I: Asymptotic Methods and Perturbation Theory. New York: McGraw-Hill, 1978.
Παραπομπή MLABender, Carl M., and Steven A. Orszag. Advanced Mathematical Methods for Scientists and Engineers I: Asymptotic Methods and Perturbation Theory. New York: McGraw-Hill, 1978.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.