@article{KUTGS_1978_10_a3,
     author = {V. M. Burdakov and V. V. Vishnevskii},
     title = {Structures in the ruled geometry of spaces with degenerate absolute},
     journal = {Trudy Geometricheskogo Seminara},
     pages = {37--45},
     publisher = {mathdoc},
     volume = {10},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KUTGS_1978_10_a3/}
}