Special functions are extremely useful and, as the great American mathematician, R. Askey wrote, 'those who need them and those who know them should start to talk to each other.' As a tribute to Askey ...

THE worthy completion of a long and arduous task will always draw from the beholder the tribute of an almost personal gratification. Our sympathy and interest are at once enlisted by the opening ...

THIS book, like the kindred work of Prof. Byerly on “Fourier's Series and Spherical Harmonics,” marks the modern system of mathematical treatment, and may be contrasted with Dr. Todhunter's “Functions ...