TY - JOUR AU - Pierre Dehornoy TI - Asymptotic invariants of 3-dimensional vector fields JO - Winter Braids Lecture Notes N1 - talk:2 PY - 2015 SP - 1 EP - 19 VL - 2 PB - Winter Braids School UR - https://proceedings.centre-mersenne.org/articles/10.5802/wbln.8/ DO - 10.5802/wbln.8 LA - en ID - WBLN_2015__2__A2_0 ER -