@article{TRSPY_1973_133_a11,
     author = {Z. I. Kozlova},
     title = {An $R$-operation with complete depth of chains over uncountable families of sets},
     journal = {Informatics and Automation},
     pages = {121--126},
     publisher = {mathdoc},
     volume = {133},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1973_133_a11/}
}