@article{CM_1973__26_2_151_0,
     author = {Takens, Floris},
     title = {Derivations of vector fields},
     journal = {Compositio Mathematica},
     pages = {151--158},
     publisher = {Noordhoff International Publishing},
     volume = {26},
     number = {2},
     year = {1973},
     mrnumber = {315723},
     zbl = {0258.58005},
     language = {en},
     url = {http://www.numdam.org/item/CM_1973__26_2_151_0/}
}