@article{SIGMA_2010_6_a7,
     author = {Akbar Tayebi and Esmaeil Peyghan},
     title = {On {Special} {Berwald} {Metrics}},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2010},
     volume = {6},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2010_6_a7/}
}