@article{KUTGS_1983_15_a10,
     author = {A. P. Norden and N. Kh. Kharisova},
     title = {On the theory of multidimensional congruences},
     journal = {Trudy Geometricheskogo Seminara},
     pages = {66--72},
     year = {1983},
     volume = {15},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KUTGS_1983_15_a10/}
}