@article{DAN_1963_152_5_a13,
     author = {V. D. Tret'yakov},
     title = {On line geometry in three-dimensional {Klein} spaces},
     journal = {Doklady Akademii Nauk},
     pages = {1068--1070},
     publisher = {mathdoc},
     volume = {152},
     number = {5},
     year = {1963},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1963_152_5_a13/}
}