@article{GT_2018_22_6_a9,
     author = {Kuperberg, Greg and Samperton, Eric},
     title = {Computational complexity and 3{\textendash}manifolds and zombies},
     journal = {Geometry & topology},
     pages = {3623--3670},
     publisher = {mathdoc},
     volume = {22},
     number = {6},
     year = {2018},
     doi = {10.2140/gt.2018.22.3623},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/gt.2018.22.3623/}
}