@article{10_4064_cm_32_1_99_104,
     author = {J. P. Holmes},
     title = {Differentiable semigroups},
     journal = {Colloquium Mathematicum},
     pages = {99--104},
     publisher = {mathdoc},
     volume = {32},
     number = {1},
     year = {1974},
     doi = {10.4064/cm-32-1-99-104},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-32-1-99-104/}
}