2 citations to https://www.mathnet.ru/eng/ja9

1. Caroline Mattes, Alexander Ushakov, Armin Weiß, Lecture Notes in Computer Science, 14519, SOFSEM 2024: Theory and Practice of Computer Science, 2024, 383  
2. Richard Mandel, Alexander Ushakov, “Quadratic equations in metabelian Baumslag–Solitar groups”, Int. J. Algebra Comput., 33:06 (2023), 1195