@article{WBLN_2015__2__A2_0,
     author = {Dehornoy, Pierre},
     title = {Asymptotic invariants of 3-dimensional vector fields},
     booktitle = {Winter Braids V (Pau, 2015)},
     series = {Winter Braids Lecture Notes},
     note = {talk:2},
     pages = {1--19},
     publisher = {Winter Braids School},
     year = {2015},
     doi = {10.5802/wbln.8},
     mrnumber = {3705874},
     zbl = {1428.37002},
     language = {en},
     url = {http://www.numdam.org/articles/10.5802/wbln.8/}
}