@article{MZM_2005_77_4_a9,
     author = {V. I. Parusnikov},
     title = {Klein polyhedra for three extremal cubic forms},
     journal = {Matemati\v{c}eskie zametki},
     pages = {566--583},
     year = {2005},
     volume = {77},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2005_77_4_a9/}
}