@article{TRSPY_2014_286_a5,
     author = {A. A. Gaifullin},
     title = {Flexible cross-polytopes in spaces of constant curvature},
     journal = {Informatics and Automation},
     pages = {88--128},
     publisher = {mathdoc},
     volume = {286},
     year = {2014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_2014_286_a5/}
}