@article{COMIM_2011_19_2_a1,
     author = {Saunders, David J.},
     title = {Homogeneous variational problems: a minicourse},
     journal = {Communications in Mathematics},
     pages = {91--128},
     year = {2011},
     volume = {19},
     number = {2},
     mrnumber = {2897264},
     zbl = {1257.58012},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/COMIM_2011_19_2_a1/}
}