“On two concepts of ultrafilter extensions of first-order models and their generalizations”, Logic, Language, Information, and Computation, Lecture Notes in Computer Science, 10388, eds. J. Kennedy, R. J. G. B. de Queiroz, Springer, Berlin, Heidelberg, 2017, 336–348
| Авторы: Савельев Д.И., Поляков Н.Л. |