GDV as a method of rapid diagnostics and monitoring of the psychophysiological state of schoolchildrenMarina Skuratovskaya, Nadezda Manohina, Larisa Kobrina, Mihail Yanovsky and Sergei DzuraE3S Web Conf., 210 (2020) 18042DOI: https://doi.org/10.1051/e3sconf/202021018042