@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},
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 }
}
::