@article{MAN_1983__263_163750,
     author = {Hiroaki Terao},
     title = {The {Bifurcation} {Set} and {Logarithmic} {Vector} {Fields.}},
     journal = {Mathematische Annalen},
     pages = {313--322},
     publisher = {mathdoc},
     volume = {263},
     year = {1983},
     zbl = {0497.32016},
     url = {http://geodesic.mathdoc.fr/item/MAN_1983__263_163750/}
}