Kasprowski, Daniel Max Planck Institute for Mathematics, Max Planck Society;
Powell, Mark Max Planck Institute for Mathematics, Max Planck Society;
https://doi.org/10.1093/oso/9780198841319.003.0025 (Publisher version)
Kasprowski, D., & Powell, M. (2021). The collar adding lemma. In S. Behrens, B. Kalmár, M. H. Kim, M. Powell, & A. Ray (Eds.), The disc embedding theorem (pp. 391-394). Oxford: Oxford University Press.