Geodesic
Criterion for Discreteness of the Spectrum of a Singular Canonical System
Funkcionalʹnyj analiz i ego priloženiâ, Tome 29 (1995) no. 3, pp. 75-78 
I. S. Kats. Criterion for Discreteness of the Spectrum of a Singular Canonical System. Funkcionalʹnyj analiz i ego priloženiâ, Tome 29 (1995) no. 3, pp. 75-78. http://geodesic.mathdoc.fr/item/FAA_1995_29_3_a11/
@article{FAA_1995_29_3_a11,
     author = {I. S. Kats},
     title = {Criterion for {Discreteness} of the {Spectrum} of a {Singular} {Canonical} {System}},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {75--78},
     year = {1995},
     volume = {29},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1995_29_3_a11/}
}
TY  - JOUR
AU  - I. S. Kats
TI  - Criterion for Discreteness of the Spectrum of a Singular Canonical System
JO  - Funkcionalʹnyj analiz i ego priloženiâ
PY  - 1995
SP  - 75
EP  - 78
VL  - 29
IS  - 3
UR  - http://geodesic.mathdoc.fr/item/FAA_1995_29_3_a11/
LA  - ru
ID  - FAA_1995_29_3_a11
ER  - 
%0 Journal Article
%A I. S. Kats
%T Criterion for Discreteness of the Spectrum of a Singular Canonical System
%J Funkcionalʹnyj analiz i ego priloženiâ
%D 1995
%P 75-78
%V 29
%N 3
%U http://geodesic.mathdoc.fr/item/FAA_1995_29_3_a11/
%G ru
%F FAA_1995_29_3_a11

Voir la notice de l'article provenant de la source Math-Net.Ru

[1] Kats I. S., “Lineinye otnosheniya, porozhdaemye kanonicheskimi differentsialnymi uravneniyami”, Funkts. analiz i ego pril., 17:4 (1983), 86–87 | MR | Zbl

[2] Kats I. S., Krein M. G., Izv. vuzov, ser. matem., 1958, no. 2(3), 136–153 | MR

[3] Kats I. S., Dep. v UkrNIINTI, No 1453, 1984

[4] De Branges L., Hilbert Spaces of Entire Functions, Prentice-Hall, New Jersey, 1968 | MR | Zbl

[5] Kotani S., “On a generalized Sturm-Liouville operator with a singular boundary”, J. Math. Kyoto Univ., 5:2 (1975), 423–454 | MR