@article{AFST_2015_6_24_5_1079_0, author = {Ian Agol and Michael Freedman}, title = {Simplifying $3$-manifolds in ${\mathbb{R}}^4$}, journal = {Annales de la Facult\'e des sciences de Toulouse : Math\'ematiques}, pages = {1079--1101}, publisher = {Universit\'e Paul Sabatier, Toulouse}, volume = {Ser. 6, 24}, number = {5}, year = {2015}, doi = {10.5802/afst.1476}, language = {en}, url = {https://afst.centre-mersenne.org/articles/10.5802/afst.1476/} }