@article{GDZPPN00244075X, title = {Harmonic functions on connected sums of manifolds.}, journal = {Mathematische Zeitschrift}, volume = {209}, year = {1992}, pages = {315-322}, zbl = {0764.53037}, url = {http://dml.mathdoc.fr/item/GDZPPN00244075X} }
Tam, Luen-Fai. Harmonic functions on connected sums of manifolds.. Mathematische Zeitschrift, Tome 209 (1992) pp. 315-322. http://gdmltest.u-ga.fr/item/GDZPPN00244075X/