@article{MR99k:52035,
	title = {Sufficient conditions for the extendibility of an $n$-th order flex
	of polyhedra },
	author = {Victor Alexandrov},
	journal = {Beitr\"age Algebra Geom.},
	number = {2},
	pages = {367--378},
	volume = {39},
	year = {1998},
	biburl = {http://www.bibsonomy.org/bibtex/265c403b8c6ee06f7af2f3352117322ad/dmartins},
	description = {robotica-bib},
	mrnumber = {99k:52035}, mrrevr = {Tiong Seng Tay}, issn = {0138-4821}, fjournal = {Beitr\"age zur Algebra und Geometrie. Contributions to Algebra and
	Geometry}, mrclass = {52C25},
	keywords = {imported }
}