Babelyuk, V., Y. Dobrovolsky, I. Korsuns’kyi, V. Kuzenko, I. Popovych, and W. Zukow. “The Algorithm of the Electric Stimulator VEB-1 Software Operation”. Journal of Education, Health and Sport, vol. 10, no. 5, May 2020, pp. 403-9, doi:10.12775/JEHS.2020.10.05.042.