Model-completeness of a theory and evaluation of formulas V. A. Lyubetskii OriginalPaper Pages: 10 - 22
Quasivarieties of algebras with definable principle congruences A. M. Nurakunov OriginalPaper Pages: 26 - 34
Supplement to the paper "characterization of a certain class of chernikov groups" (algebra and logic, vol. 25, no. 3, pp. 206–217, 1987) A. M. PopovV. P. Shunkov OriginalPaper Pages: 92 - 93