@article{10_4064_ap92_2_6,
     author = {Andreas Fischer},
     title = {Extending o-minimal {Fr\'echet} derivatives},
     journal = {Annales Polonici Mathematici},
     pages = {179--189},
     publisher = {mathdoc},
     volume = {92},
     number = {2},
     year = {2007},
     doi = {10.4064/ap92-2-6},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap92-2-6/}
}