@article{MM2_1981__34_154767,
     author = {Joshua H. Rabinowitz},
     title = {Finsler {Structures} of {Negative} {Curvature} in {...-Linear} {Fibre} {Spaces.}},
     journal = {Manuscripta mathematica},
     pages = {121--134},
     publisher = {mathdoc},
     volume = {34},
     year = {1981},
     zbl = {0463.32010},
     url = {http://geodesic.mathdoc.fr/item/MM2_1981__34_154767/}
}