@article{MM2_1996__90_2_156182,
     author = {X. Dai and G. Wie and R. Ye},
     title = {Smoothing {Riemannian} metrics with {Ricci} curvature bounds.},
     journal = {Manuscripta mathematica},
     pages = {49--62},
     publisher = {mathdoc},
     volume = {90},
     number = {2},
     year = {1996},
     zbl = {0880.53034},
     url = {http://geodesic.mathdoc.fr/item/MM2_1996__90_2_156182/}
}