@article{10_4153_CJM_2008_021_1,
     author = {Shen, Z. and Yildirim, G. Civi},
     title = {On a {Class} of {Projectively} {Flat} {Metrics} with {Constant} {Flag} {Curvature}},
     journal = {Canadian journal of mathematics},
     pages = {443--456},
     year = {2008},
     volume = {60},
     number = {2},
     doi = {10.4153/CJM-2008-021-1},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-2008-021-1/}
}