@article{10_2140_agt_2009_9_537,
     author = {Aougab, Tarik and Storm, Peter A},
     title = {Infinitesimal rigidity of a compact hyperbolic 4{\textendash}orbifold with totally geodesic boundary},
     journal = {Algebraic and Geometric Topology},
     pages = {537--548},
     year = {2009},
     volume = {9},
     number = {1},
     doi = {10.2140/agt.2009.9.537},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/agt.2009.9.537/}
}