TY - JOUR AU - Ya. I. Mekler TI - Constituents sufficient for a safe operation of relay contact circuits JO - Doklady Akademii Nauk PY - 1957 SP - 613 EP - 615 VL - 117 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1957_117_4_a17/ LA - ru ID - DAN_1957_117_4_a17 ER -