Copson,E.T.
Asymptotic expansions - London Cambridge at the University Press 1967 - 120 p.
Includes bibliography, index
Hyperbolic equations
Asymptotic expansions
515.3535 / COP
Asymptotic expansions - London Cambridge at the University Press 1967 - 120 p.
Includes bibliography, index
Hyperbolic equations
Asymptotic expansions
515.3535 / COP