This article is cited in 1 paper

MATHEMATICS

Sectorial extensions of a positive operator, and the characteristic function

V. A. Derkach^abc, M. M. Malamud^abc, È. R. Tsekanovskii<sup>abc

a</sup> Makeevsky Engineering Building Institute
^b Donetsk Polytechnic Institute
^c Donetsk State University

UDC: 517.984.48

Presented: V. P. Maslov
Received: 28.05.1986

 English version: Doklady Mathematics, 1988, 37:1, 106–110

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