@article{10_2140_agt_2007_7_2117,
     author = {Khan, Qayum},
     title = {On smoothable surgery for 4{\textendash}manifolds},
     journal = {Algebraic and Geometric Topology},
     pages = {2117--2140},
     year = {2007},
     volume = {7},
     number = {4},
     doi = {10.2140/agt.2007.7.2117},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/agt.2007.7.2117/}
}