@article{701188,
     title = {Lie derivatives and natural operators},
     booktitle = {Abstracta. 8th Winter School on Abstract Analysis},
     series = {GDML\_Books},
     publisher = {Czechoslovak Academy of Sciences},
     address = {Praha},
     year = {1980},
     pages = {108-109},
     url = {http://dml.mathdoc.fr/item/701188}
}

Kolář, Ivan. Lie derivatives and natural operators, dans Abstracta. 8th Winter School on Abstract Analysis, GDML_Books,  (1980), pp. 108-109. http://gdmltest.u-ga.fr/item/701188/