@article{ZNSL_1998_252_a11,
     author = {S. E. Kozlov},
     title = {Levi-Chivita connections on degenerate {pseudo-Riemannian} manifolds},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {134--141},
     publisher = {mathdoc},
     volume = {252},
     year = {1998},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1998_252_a11/}
}