@misc{TRSPY_1972_121_a8,
     title = {Errata},
     journal = {Informatics and Automation},
     pages = {167},
     publisher = {mathdoc},
     volume = {121},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1972_121_a8/}
}