The asymptotic solutions of ordinary linear differential equations of the second order, with special reference to the Stokes phenomenon
Author:
R. E. Langer
Journal:
Bull. Amer. Math. Soc. 40 (1934), 545-582
DOI:
https://doi.org/10.1090/S0002-9904-1934-05913-5
MathSciNet review:
1562910
Full-text PDF Free Access