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@article{CMUC_1992__33_2_a9, author = {Smyrnelis, Emmanuel P.}, title = {Harnack's properties of biharmonic functions}, journal = {Commentationes Mathematicae Universitatis Carolinae}, pages = {299--302}, publisher = {mathdoc}, volume = {33}, number = {2}, year = {1992}, mrnumber = {1189660}, zbl = {0754.31006}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CMUC_1992__33_2_a9/} }
Smyrnelis, Emmanuel P. Harnack's properties of biharmonic functions. Commentationes Mathematicae Universitatis Carolinae, Tome 33 (1992) no. 2, pp. 299-302. http://geodesic.mathdoc.fr/item/CMUC_1992__33_2_a9/