@article{TRSPY_1984_163_a14,
     author = {A. D. Dzhuraev},
     title = {Structure of the solutions of certain first-order systems},
     journal = {Informatics and Automation},
     pages = {81--84},
     publisher = {mathdoc},
     volume = {163},
     year = {1984},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1984_163_a14/}
}