1.
Zakaryan MA, Tzutzulyan AV. THE FREDHOLM CRITERION AND INDEX CALCULATION OF TEOPLITS OPERATORS IN SOME HILBERT SPACES OF ANALYTIC FUNCTIONS. Proc. YSU A: Phys. Math. Sci. [Internet]. 2023 Sep. 19 [cited 2024 Nov. 23];42(2 (216):23-9. Available from: https://pub.ysu.am/index.php/proceedings-phys-math/article/view/vol42_no2_2008_p023-029