@article{1029002622, author = {Bell, Steven R.}, title = {A duality theorem for harmonic functions.}, journal = {Michigan Math. J.}, volume = {29}, number = {1}, year = {1982}, pages = { 123-128}, language = {en}, url = {http://dml.mathdoc.fr/item/1029002622} }
Bell, Steven R. A duality theorem for harmonic functions.. Michigan Math. J., Tome 29 (1982) no. 1, pp. 123-128. http://gdmltest.u-ga.fr/item/1029002622/