@article{SMJ2_1999_25_4_a0,
     author = {Souroujon, Diko},
     title = {A {Differential} {Game} {Described} by a {Hyperbolic} {System}},
     journal = {Serdica Mathematical Journal},
     pages = {259--282},
     publisher = {mathdoc},
     volume = {25},
     number = {4},
     year = {1999},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SMJ2_1999_25_4_a0/}
}