@article{GT_2021_25_7_a6,
     author = {Lai, Yi},
     title = {Producing {3D} {Ricci} flows with nonnegative {Ricci} curvature via singular {Ricci} flows},
     journal = {Geometry & topology},
     pages = {3629--3690},
     publisher = {mathdoc},
     volume = {25},
     number = {7},
     year = {2021},
     doi = {10.2140/gt.2021.25.3629},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/gt.2021.25.3629/}
}