@article{MAN_1988__282_2_164482, author = {Frederico Xavier}, title = {Convexity and {Absolute} {Continuity} of the {Laplace-Beltrami} {Operator.}}, journal = {Mathematische Annalen}, pages = {579--586}, publisher = {mathdoc}, volume = {282}, number = {2}, year = {1988}, zbl = {0659.58049}, url = {http://geodesic.mathdoc.fr/item/MAN_1988__282_2_164482/} }