@article{10_1090_S0894_0347_08_00630_9,
     author = {Beltr\'an, Carlos and Pardo, Luis},
     title = {Smale{\textquoteright}s 17th problem: {Average} polynomial time to compute affine and projective solutions},
     journal = {Journal of the American Mathematical Society},
     pages = {363--385},
     year = {2009},
     volume = {22},
     number = {2},
     doi = {10.1090/S0894-0347-08-00630-9},
     url = {http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-08-00630-9/}
}