Geodesic
The conditions of invertibility of a class nonselfadjoint operators
Izvestiya of Saratov University. Mathematics. Mechanics. Informatics, Tome 12 (2012) no. 4, pp. 14-19 
S. V. Maryushenkov. The conditions of invertibility of a class nonselfadjoint operators. Izvestiya of Saratov University. Mathematics. Mechanics. Informatics, Tome 12 (2012) no. 4, pp. 14-19. http://geodesic.mathdoc.fr/item/ISU_2012_12_4_a2/
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Voir la notice de l'article provenant de la source Math-Net.Ru

In this work we obtain the conditions of invertibility of a class of nonselfadjoint operator that are difference between the nonbounded antisymmetric and the normal operator.

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