@article{IVM_2004_11_a4,
     author = {U. Simon},
     title = {On an affine theory of hypersurfaces: gauge-invariant structures},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {53--81},
     publisher = {mathdoc},
     number = {11},
     year = {2004},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2004_11_a4/}
}