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Publications in Math-Net.Ru
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Discreteness of the Spectrum of a Polar Differential Operation in the Space of Vector Functions
Mat. Zametki, 85:3 (2009), 351–355
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On the spectrum of a differential operator of high-order
Mat. Zametki, 77:2 (2005), 188–193
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Criteria for the discreteness of the spectrum of a hypoelliptic operator
Mat. Zametki, 30:5 (1981), 685–693
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Conditions for the self-adjointness of a quasi-elliptic operator
Mat. Zametki, 20:5 (1976), 709–716
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A discreteness criterion for the spectrum of a quasielliptic operator
Mat. Zametki, 9:4 (1971), 391–399
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The self-adjointness conditions for a higher order differential operator with an operator coefficient
Mat. Zametki, 5:6 (1969), 697–707
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Sufficient conditions that the minimum and maximum of partial differential operators should coincide and that their spectra should be discrete
Mat. Zametki, 4:3 (1968), 301–312
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Expansion in eigenfunctions over the whole axis of a non-selfadjoint system of differential equations
Dokl. Akad. Nauk SSSR, 146:3 (1962), 519–522
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On an eigenfunction expansion of a non-selfadjoint differential operator of even order in the space of vector functions
Dokl. Akad. Nauk SSSR, 143:1 (1962), 13–16
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The eigenfunction expansion of non-selfadjoint systems of second-order differential equations
Dokl. Akad. Nauk SSSR, 140:1 (1961), 19–22
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