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General Principles of the Quantum Field Theories, Moscow, Nauka, 1987
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[2] U. Bratteli and D. Robinson, Operator Algebras and Quantum
Statistical Mechanics, Moscow, Nauka, 1982 (in Russian).
[3] Z. Zerakidze and M Mumladze, Statistical Structures and Consistent
Criteria for Checking Hypotheses, LAMBERT Academic Publishing,
2015.
[4] L. A. Liusternirnik and V. I. Sobolev, Elements of Functional
Analyses, Moscow, Nauka, 1965 (in Russian).