@article{TRSPY_1965_80_a11,
     author = {A. I. Skopin},
     title = {Ideal of relations},
     journal = {Informatics and Automation},
     pages = {117--128},
     publisher = {mathdoc},
     volume = {80},
     year = {1965},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1965_80_a11/}
}