BOYKO, Y. I.; BOGDANOV, V. V.; MARKOV, R. D.; VOVK, R. V. Peculiarities of the relaxation processes in ReBa2Cu3O7-x (Re = Y, Ho) single crystals at room temperature in air atmosphere. Journal of V. N. Karazin Kharkiv National University. Series Physics, n. 25, p. 43-47, 23 Jan. 2017.