@article{10_4064_fm_95_2_141_146,
     author = {Reinhard Schultz},
     title = {Closed curves and circle homomorphisms in groups of diffeomorphisms},
     journal = {Fundamenta Mathematicae},
     pages = {141--146},
     publisher = {mathdoc},
     volume = {95},
     number = {2},
     year = {1977},
     doi = {10.4064/fm-95-2-141-146},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-95-2-141-146/}
}