Paliath Narendran, Friedrich Otto, Lecture Notes in Computer Science, 1256, Automata, Languages and Programming, 1997, 638
В. Г. Дурнев, “К проблеме разрешимости уравнений с одним коэффициентом”, Матем. заметки, 59:6 (1996), 832–845 ; V. G. Durnev, “On the solvability problem for equations with a single coefficient”, Math. Notes, 59:6 (1996), 601–610
В. Г. Дурнев, “Об элементарных теориях целочисленных линейных групп”, Изв. РАН. Сер. матем., 59:5 (1995), 41–58 ; V. G. Durnev, “On elementary theories of integer linear groups”, Izv. Math., 59:5 (1995), 919–934
A. M. Gaglione, D. Spellman, “Generalizations of free groups: some questions”, Communications in Algebra, 22:8 (1994), 3159
Alexander Bockmayr, Lecture Notes in Computer Science, 572, Word Equations and Related Topics, 1992, 171
В. Д. Мазуров, “Решенные задачи “Коуровской тетради””, УМН, 46:5(281) (1991), 121–156 ; V. D. Mazurov, “Solved problems in the Kourovka Notebook”, Russian Math. Surveys, 46:5 (1991), 137–182