@article{IM_1987__89_143474,
     author = {J.-J. Risler},
     title = {Un analogue local du theoreme de {Harnack.}},
     journal = {Inventiones mathematicae},
     pages = {119--138},
     publisher = {mathdoc},
     volume = {89},
     year = {1987},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/item/IM_1987__89_143474/}
}