@article{COCV_2007__13_3_598_0,
     author = {Musso, Monica and Pejsachowicz, Jacobo and Portaluri, Alessandro},
     title = {Morse index and bifurcation of $p$-geodesics on semi riemannian manifolds},
     journal = {ESAIM: Control, Optimisation and Calculus of Variations},
     pages = {598--621},
     publisher = {EDP-Sciences},
     volume = {13},
     number = {3},
     year = {2007},
     doi = {10.1051/cocv:2007037},
     mrnumber = {2329179},
     zbl = {1127.58005},
     language = {en},
     url = {http://www.numdam.org/articles/10.1051/cocv:2007037/}
}