@article{MAN_1985__271_163963,
     author = {L. Zhiyong Gao},
     title = {The {Construction} of {Negatively} {Ricci} {Curved} {Manifolds.}},
     journal = {Mathematische Annalen},
     pages = {185--208},
     publisher = {mathdoc},
     volume = {271},
     year = {1985},
     zbl = {0542.53024},
     url = {http://geodesic.mathdoc.fr/item/MAN_1985__271_163963/}
}