共 5 条
[1]
DELIYANNIS PC, 1969, J MATH PHYS, V10, P42
[2]
EIGEN VALUE PROBLEM OF FUNCTIONAL EQUATION F(X+A)+F(X-A)=2(E-BX)F(X)
[J].
ZEITSCHRIFT FUR ANGEWANDTE MATHEMATIK UND MECHANIK,
1968, 48 (01)
:66-&
[3]
Kato T., 1966, PERTURBATION THEORY, V132, P396
[4]
VULIKH BZ, 1963, INTRODUCTION FUNCTIO
[5]
YOSIDA K, 1965, FUNCTIONAL ANALYSIS, P41