Article
Keywords:
numerical analysis
References:
                        
[1] J. B. Keller, S. I. Rubinow: 
Asymptotic Solution of Eigenvalue Problems. Annals of Physics, Vol. 9, No. 1, Jan. 1960, pp. 24 - 75. Errata: Annals of Physics, Vol. 10, No. 2, June 1960, pp. 303-305. 
DOI 10.1016/0003-4916(60)90061-0 | 
Zbl 0087.43002