@article{WBLN_2023__9__A2_0,
     author = {Peter Feller},
     title = {Positive braids and concordance},
     journal = {Winter Braids Lecture Notes},
     note = {talk:2},
     pages = {1--20},
     year = {2023},
     publisher = {Winter Braids School},
     volume = {9},
     doi = {10.5802/wbln.43},
     language = {en},
     url = {https://proceedings.centre-mersenne.org/articles/10.5802/wbln.43/}
}