@article{INTG_1977_8_a6,
     author = {V. F. Kirichenko},
     title = {The differential geometry of $K$-spaces},
     journal = {Itogi Nauki i Tekhniki. Seriya Problemy Geometrii. Trudy Geometricheskogo Seminara},
     pages = {139--161},
     publisher = {mathdoc},
     volume = {8},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/INTG_1977_8_a6/}
}