@article{DAN_1957_117_4_a17,
     author = {Ya. I. Mekler},
     title = {Constituents sufficient for a safe operation of relay contact circuits},
     journal = {Doklady Akademii Nauk},
     pages = {613--615},
     publisher = {mathdoc},
     volume = {117},
     number = {4},
     year = {1957},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1957_117_4_a17/}
}