@article{GT_2011_15_4_a4,
     author = {Heusener, Michael and Porti, Joan},
     title = {Infinitesimal projective rigidity under {Dehn} filling},
     journal = {Geometry & topology},
     pages = {2017--2071},
     publisher = {mathdoc},
     volume = {15},
     number = {4},
     year = {2011},
     doi = {10.2140/gt.2011.15.2017},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/gt.2011.15.2017/}
}