MR0227540
Wasow, Wolfgang
Wolfgang WASOW
On the analytic validity of formal simplifications of linear differential equations. {II}
Funkcialaj Ekvacioj. Serio Internacia
10
1968
107--122
http://fe.math.kobe-u.ac.jp/FE/Free/vol10/fe10-7.pdf
http://fe.math.kobe-u.ac.jp/FE/FE_pdf_with_bookmark/FE01-10-en_KML/fe10-107-122/fe10-107-122.pdf
http://www.ams.org/mathscinet-getitem?mr=MR0227540
fe10-107-122
1967
On the Analytic Validity of Formal Simplifications of Linear Differential Equations, II
WASOW, Wolfgang
WASOW, Wolfgang
1
Goetschel, R. H., Simplification of certain turning point problems for systems of order four, Ph. D. Thesis, Univ. of Wisconsin, 1966
Data is not found in MathSci.
Cache/Go/Goetschel,Simplification,*,1966,1967
2
Hanson, R. J.
Reduction theorems for systems of ordinary differential equations with a turning point
J. Math. Anal. Appl.
16
1966
280-301
MR0201748
100
Cache/Ha/Hanson,Reduction,J*,1966,1967
3
Sibuya, Y.
Simplification of a system of linear ordinary differential equations about a singular point
Funkcialaj Ekvacioj
4
1962
29-56
MR0152719
0152719
100
Cache/Si/Sibuya,Simplification,Funkcialaj*,1962,1963
4
Wasow, W.
Turning point problems for systems of linear differential equations, II. The analytic theory
Comm. Pure Appl. Math.
15
1962
173-187
MR0146466
100
Cache/Wa/Wasow,problems,Comm*,1962,1963
5
Wasow, W.
Simplification of turning point problems for systems of linear equations
Trans. Am. Math. Soc.
106
1963
100-114
MR0142836
90
Cache/Wa/Wasow,Simplification,Trans*,1963,1964
6
Wasow, W.
Asymptotic Expansions for Ordinary Differential Equations
Wiley
1965
362
MR0203188
100
Cache/Wa/Wasow,Asymptotic,*,1965,1966
7
Wasow, W.
On the analytic validity of formal simplifications of linear differential equations I
Funkcialaj Ekvacioj
9
1966
83-92
MR0212305
0212305
100
Cache/Wa/Wasow,simplifications,Funkcialaj*,1966,1967