2019
Том 71
№ 6

All Issues

Kuzhel' A. V.

Articles: 3
Article (Ukrainian)

Evolution of the concept of the characteristic function of a linear operator

Kuzhel' A. V.

↓ Abstract   |   Full text (.pdf)

Ukr. Mat. Zh. - 1993. - 45, № 6. - pp. 731–743

This is a brief survey of the development and applications of the concept of the characteristic function for different classes of linear operators.

Article (Ukrainian)

Regular extensions of Hermitian and isometric operators

Kuzhel' A. V., Rudenko L. I.

Full text (.pdf)

Ukr. Mat. Zh. - 1981. - 33, № 6. - pp. 810-814

Brief Communications (Russian)

Perturbation of a self-adjoined operator by a finite-dimensional and the condition of completeness

Kuzhel' A. V.

Full text (.pdf)

Ukr. Mat. Zh. - 1961. - 13, № 1. - pp. 106-111