@article{EXMA_2005__14_2_53434,
     author = {Linn\'er, Anders and Renka, Robert},
     title = {Discrete periodic geodesics in a surface.},
     journal = {Experimental mathematics},
     pages = {145--152},
     publisher = {mathdoc},
     volume = {14},
     number = {2},
     year = {2005},
     zbl = {1120.53024},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EXMA_2005__14_2_53434/}
}