@article{IM_1977__40_142472,
     author = {Gerald Leonard Gordon},
     title = {A {Geometric} {Study} of the {Monodromy} of {Complex} {Analytic} {Surfaces.}},
     journal = {Inventiones mathematicae},
     pages = {11--36},
     publisher = {mathdoc},
     volume = {40},
     year = {1977},
     zbl = {0352.32005},
     url = {http://geodesic.mathdoc.fr/item/IM_1977__40_142472/}
}