@article{10_2140_agt_2020_20_3707,
     author = {Koda, Yuya and Naoe, Hironobu},
     title = {Shadows of acyclic 4{\textendash}manifolds with sphere boundary},
     journal = {Algebraic and Geometric Topology},
     pages = {3707--3731},
     year = {2020},
     volume = {20},
     number = {7},
     doi = {10.2140/agt.2020.20.3707},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/agt.2020.20.3707/}
}