@article{DA_1995_2_3_a0, author = {S. V. Avgustinovich and O. V. Borodin}, title = {Neighborhoods of edges in normal cards}, journal = {Diskretnyj analiz i issledovanie operacij}, pages = {3--9}, publisher = {mathdoc}, volume = {2}, number = {3}, year = {1995}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DA_1995_2_3_a0/} }