@article{MZM_1999_66_4_a16,
     author = {V. V. Ezhov and A. V. Loboda and G. Schmalz},
     title = {Canonical form of a~fourth-degree polynomial in a~normal equation of a~real hypersurface in~$\mathbb C^3$},
     journal = {Matemati\v{c}eskie zametki},
     pages = {624--626},
     publisher = {mathdoc},
     volume = {66},
     number = {4},
     year = {1999},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1999_66_4_a16/}
}