1. Problems of the search of the minimum of entropy in indeterminate extension problems (in Russian);Arov;Funktsional. Anal. i. Prilozhen.,1981
2. On computation of entropy functional and their minimums in indeterminate extension problems;Arov;Acta Sci. Math. (Szeged),1983
3. Multiplicative and additive classes of analytic matrix functions of Stieltjes type and associated interpolation problems, Part II (in Russian);Djukarev;Teor. Funkcii, Funkcional. Anal. i Prilozen.,1982
4. Multiplicative and additive classes of analytic matrix functions of Stieltjes type and associated interpolation problems, Part I (in Russian);Djukarev;Teor. Funkcii, Funkcional. Anal. i Prilozen.,1981
5. Multiplicative and additive classes of analytic matrix functions of Stieltjes type and associated interpolation problems, Part III (in Russian);Djukarev;Teor. Funkcii, Funkcional. Anal. i. Prilozen,1984