共 9 条
[1]
Bari N.K., 1961, TRIGONOMETRIC SERIES
[2]
ILIN VA, 1980, DIFF URAVN, V16, P981
[3]
Keldysh MV., 1951, Doklady Akad Nauk SSSR (NS), V77, P11
[4]
Naimark M.A., 1969, Linear Differential Operators, V2nd
[5]
TAMARKIN YAD, 1927, MATH Z, V27, P1
[8]
VAGABOV AI, 1984, IZV AKAD NAUK SSSR M, P614
[9]
YU N, 2001, Equations, V37, P1677