K. postrou00e9niu00fa pu00e9ru00e9klu00fau010datu00e9l'nyh shu00e9m opytnym putu00e9m (On the construction of switching circuits by the experimental method). Bulletin mathu00e9matique de la Sociu00e9tu00e9 des Sciences Mathu00e9matiques et Physiques de la Ru00e9publique Populaire ...