Bekka M.B., de la Harpe P., Grigorchuk R., “Irreducibility of unitary group representations and reproducing kernels Hilbert spaces”, Expositiones Mathematicae, 21:2 (2003), 115–149
Sidki S., “The binary adding machine and solvable groups”, International Journal of Algebra and Computation, 13:1 (2003), 95–110
Petrides G., “Cryptanalysis of the public key cryptosystem based on the word problem on the Grigorchuk groups”, Cryptography and Coding, Proceedings, Lecture Notes in Computer Science, 2898, 2003, 234–244
Bartholdi L., Grigorchuk R., Nekrashevych V., “From fractal groups to fractal sets”, Fractals in Graz 2001: Analysis - Dynamics - Geometry - Stochastics, Trends in Mathematics, 2003, 25–118
И. И. Резников, В. И. Сущанский, “Автоматы Мили промежуточного роста с двумя состояниями над двухбуквенным алфавитом”, Матем. заметки, 72:1 (2002), 102–117 ; I. I. Reznikov, V. I. Sushchanskii, “Two-State Mealy Automata of Intermediate Growth over a Two-Letter Alphabet”, Math. Notes, 72:1 (2002), 90–104
Brunner A.M., Sidki S., “Wreath operations in the group of automorphisms of the binary tree”, Journal of Algebra, 257:1 (2002), 51–64
Grigorchuk R.I., Zuk A., “On a torsion–free weakly branch group defined by a three state automaton”, International Journal of Algebra and Computation, 12:1–2 (2002), 223–246