@article{10_21136_CPM_1971_117714,
     author = {Kol\'a\v{r}, Ivan},
     title = {Order of holonomy of a surface with projective connection},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky},
     pages = {73--80},
     publisher = {mathdoc},
     volume = {096},
     number = {1},
     year = {1971},
     doi = {10.21136/CPM.1971.117714},
     mrnumber = {0286026},
     zbl = {0207.20601},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1971.117714/}
}