@article{MAN_1996__304_4_165429,
     author = {Stephan Stolz},
     title = {A conjecture concerning positive {Ricci} curvature and the {Witten} genus.},
     journal = {Mathematische Annalen},
     pages = {785--800},
     publisher = {mathdoc},
     volume = {304},
     number = {4},
     year = {1996},
     zbl = {0856.53033},
     url = {http://geodesic.mathdoc.fr/item/MAN_1996__304_4_165429/}
}