Birkhoff invariants and stokes' multipliers for meromorphic linear differential equations

Introduction to Asymptotics and Special Functions

Wolfgang Wasow, F. W. J. Olver · Mathematics of Computation · 1975 · 382 citations

Natural Sciences, Mathematics, Physics +12

The Generalized Riemann Problem for Linear Differential Equations and the Allied Problems for Linear Difference and q-Difference Equations

George D. Birkhoff · Proceedings of the American Academy of Arts and Sciences · 1913 · 184 citations

Natural Sciences, Mathematics, Differential Equations +15

Singular points of ordinary linear differential equations

George D. Birkhoff · Transactions of the American Mathematical Society · 1909 · 109 citations · Full text

Natural Sciences, Mathematics, Complex Systems +6

Birkhoff invariants and effective calculations for meromorphic linear differential equations. I

W. B. Jurkat, Donald A. Lutz, Alexander Peyerimhoff · Journal of Mathematical Analysis and Applications · 1976 · 54 citations

Natural Sciences, Mathematics, Differential Equations +12

Simplification of a system of linear ordinary differential equations about a singular point.

Yasutaka Sibuya · Institutional Repositories DataBase (IRDB) · 1962 · 46 citations · Full text

Natural Sciences, Mathematics, Differential Equations +10