%0 Journal Article %A Patterson, S. J. %T The laplacian operator on a Riemann surface %J Compositio Mathematica %D 1975 %P 83-107 %V 31 %N 1 %I Noordhoff International Publishing %U http://archive.numdam.org/item/CM_1975__31_1_83_0/ %G en %F CM_1975__31_1_83_0