@article{RM_2015_70_6_a3,
     author = {G. Yu. Panina and I. Streinu},
     title = {Virtual polytopes},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {1105--1165},
     publisher = {mathdoc},
     volume = {70},
     number = {6},
     year = {2015},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_2015_70_6_a3/}
}