@article{IVM_1971_4_a12,
     author = {A. M. Shelekhov},
     title = {Complexes containing normal line congruences in multidimensional {non-Euclidean} spaces},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {102--109},
     publisher = {mathdoc},
     number = {4},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1971_4_a12/}
}