@article{MAN_1961__144_160887,
     author = {M. Morse and W. HUEBSCH},
     title = {Schoenflies {Extensions} of {Analytic} {Families} of {Diffeomorphisms.}},
     journal = {Mathematische Annalen},
     pages = {162--174},
     publisher = {mathdoc},
     volume = {144},
     year = {1961},
     zbl = {0107.40302},
     url = {http://geodesic.mathdoc.fr/item/MAN_1961__144_160887/}
}