@article{700978,
     title = {Linearization of mappings},
     booktitle = {General Topology and its Relations to Modern Analysis and Algebra},
     series = {GDML\_Books},
     publisher = {Academia Publishing House of the Czechoslovak Academy of Sciences},
     address = {Praha},
     year = {1962},
     pages = {[191]-193},
     mrnumber = {MR0145004},
     zbl = {0112.07006},
     url = {http://dml.mathdoc.fr/item/700978}
}

de Groot, J. Linearization of mappings, dans General Topology and its Relations to Modern Analysis and Algebra, GDML_Books,  (1962), pp. [191]-193. http://gdmltest.u-ga.fr/item/700978/