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Dzhabrailova È M
Publications in Math-Net.Ru
On the spectrum of a singular non-selfadjoint second-order differential equation with respect to a complex weight function
Dokl. Akad. Nauk SSSR
,
157
:5 (1964),
1021–1023
The completeness of finite-dimensional invariant sub-spaces of a non-selfadjoint singular differential operator of second order relative to a real weight function
Dokl. Akad. Nauk SSSR
,
157
:4 (1964),
774–776
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