 Principles of Applied Mathematics: Transformation and Approximation (Advanced Book Program) by James P. Keener, February, 2000
 Mathematical Approximation of Special Functions: Ten Papers on Chebyshev Expansions by Geza Nemeth, December, 1992
 Asymptotic Approximations of Integrals (Classics in Applied Mathematics, 34) by R. Wong, 01 August, 2001
 Analysis II: Convex Analysis and Approximation Theory (Encyclopedia of Mathematical Sciences, Vol 13) by R.V. Gamkrelidze, January, 1991
 Series Approximation Methods in Statistics by John E. Kolassa, May, 1994
 Normal Approximation and Asymptotic Expansions by Rabindra Nath Bhattacharya, June, 1986
 Mathematical Approximations of Special Functions: Ten Papers on Chebyshev Expansions by Geza Nemeth, December, 1991
 Asymptotic Approximations for Probability Integrals by Karl Wilhelm Breitung, November, 1994
 A Unified Approach to Uniqueness, Expansion and Approximation Problems by ChiuCheng Chang, November, 1994
 Normal Approximation and Asymptotic Expansions
