@article{DOCMA_2014__19__a14,
     author = {Schneiderman, Rob and Teichner, Peter},
     title = {Pulling apart 2-spheres in 4-manifolds},
     journal = {Documenta mathematica},
     pages = {941--992},
     publisher = {mathdoc},
     volume = {19},
     year = {2014},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DOCMA_2014__19__a14/}
}