@article{IM_1976__33_142374,
     author = {Martin G. Scharlemann},
     title = {Transversality {Theories} at {Dimension} {Four.}},
     journal = {Inventiones mathematicae},
     pages = {1--14},
     publisher = {mathdoc},
     volume = {33},
     year = {1976},
     zbl = {0318.57007},
     url = {http://geodesic.mathdoc.fr/item/IM_1976__33_142374/}
}