@article{CMUC_1984__25_2_a6,
     author = {Sou\v{c}ek, Ji\v{r}{\'\i}},
     title = {Morse-Sard theorem for closed geodesics},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {265--272},
     publisher = {mathdoc},
     volume = {25},
     number = {2},
     year = {1984},
     mrnumber = {768814},
     zbl = {0552.58013},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1984__25_2_a6/}
}