@article{IVM_1970_4_a9,
     author = {A. P. Norden},
     title = {A~connection that is associated with a~degenerate metric},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {74--86},
     publisher = {mathdoc},
     number = {4},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1970_4_a9/}
}