@article{10_2307_120972,
     author = {Selman Akbulut},
     title = {Scharlemann's manifold is standard},
     journal = {Annals of mathematics},
     year = {1999},
     volume = {149},
     number = {2},
     doi = {10.2307/120972},
     zbl = {0931.57016},
     url = {http://geodesic.mathdoc.fr/articles/10.2307/120972/}
}