@article{GT_2007_11_1_a0,
     author = {von Bergmann, Jens},
     title = {Pseudoholomorphic maps into folded symplectic four-manifolds},
     journal = {Geometry & topology},
     pages = {1--45},
     publisher = {mathdoc},
     volume = {11},
     number = {1},
     year = {2007},
     doi = {10.2140/gt.2007.11.1},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/gt.2007.11.1/}
}