@article{KUTGS_1990_20_a13,
     author = {Sh. A. Yafarov},
     title = {Generating nets},
     journal = {Trudy Geometricheskogo Seminara},
     pages = {135--146},
     year = {1990},
     volume = {20},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KUTGS_1990_20_a13/}
}