@article{PMIHES_1988__68__115_0,
     author = {Hardt, Robert and Sullivan, Dennis},
     title = {Variation of the {Green} function of {Riemann} surfaces and {Whitney's} holomorphic stratification conjecture},
     journal = {Publications Math\'ematiques de l'IH\'ES},
     pages = {115--138},
     publisher = {Institut des Hautes \'Etudes Scientifiques},
     volume = {68},
     year = {1988},
     mrnumber = {91d:32054},
     zbl = {0735.30039},
     language = {en},
     url = {http://archive.numdam.org/item/PMIHES_1988__68__115_0/}
}