Asymptotic methods and singular perturbations : [proceedings of the Symposium in Applied Mathematics of the American Mathematical Society and the Society for Industrial and Applied Mathematics held in New York City, April 11-12, 1976 / edited by Robert E. O'Malley, Jr.]. (SIAM-AMS proceedings ; v. 10)
Asymptotic methods and singular perturbations : [proceedings of the Symposium in Applied Mathematics of the American Mathematical Society and the Society for Industrial and Applied Mathematics held in New York City, April 11-12, 1976 / edited by Robert E. O'Malley, Jr.].