@article{TRSPY_2015_288_a4,
     author = {A. A. Gaifullin},
     title = {Embedded flexible spherical cross-polytopes with nonconstant volumes},
     journal = {Informatics and Automation},
     pages = {67--94},
     publisher = {mathdoc},
     volume = {288},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_2015_288_a4/}
}