@misc{TRSPY_1971_116_a15,
     title = {Errata},
     journal = {Informatics and Automation},
     pages = {239},
     publisher = {mathdoc},
     volume = {116},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1971_116_a15/}
}