By Lewis, R. W., Bettess, P., Hinton, Dr. E.
By Kreyszig, Erwin
By Vincent, Alan
By McQuarrie D.
By Gallagher, RH
By BAJPAI, AC
By Givoli, D.
By Pipkin
By Trudy A. Watt
By J. N. Jeffers
By David G. Kleinbaum, Mitchell Klein
By Christopher M. Bishop