Schneiderman, Rob Max Planck Institute for Mathematics, Max Planck Society;
Teichner, Peter Max Planck Institute for Mathematics, Max Planck Society;
https://doi.org/10.4007/annals.2019.190.3.1 (Verlagsversion)
arXiv:1708.00358.pdf (Preprint), 2MB
Schneiderman, R., & Teichner, P. (2019). The group of disjoint 2-spheres in 4-space. Annals of Mathematics, 190(3), 669-750. doi:10.4007/annals.2019.190.3.1.