共 14 条
[1]
Agarwal R.P., 1998, FOCAL BOUNDARY VALUE, DOI [10.1007/978-94-017-1568-3, DOI 10.1007/978-94-017-1568-3]
[2]
[Anonymous], 1948, USP MAT NAUK
[3]
Azbelev N., 1973, DIFF URAVN, V9, P1931
[4]
Azbelev N. V., 2007, Introduction to the Theory of Functional Differential Equations: Methods and Applications, DOI [10.1155/9789775945495, DOI 10.1155/9789775945495]
[5]
Birman M., 1987, Spectral theory of selfadjoint operators in Hilbert space, DOI [10.1007/978-94-009-4586-9, DOI 10.1007/978-94-009-4586-9]
[6]
Cohn D.L., 2013, MEASURE THEORY, DOI DOI 10.1007/978-1-4614-6956-8
[7]
de la Valle Poussin C, 1929, J MATH PURE APPL, V9, P125
[9]
Kiguradze I. T., 1969, IZV AKAD NAUK SSSR M, V33, P1373
[10]
KRASNOSELSKIJ M. A., 1989, POSITIVE LINEAR SYST