Hada, Dennis; Sario, Leo; Wang, Cecilia Bounded biharmonic functions on the Poincaré N-ball. (English) Zbl 0302.31010 Kōdai Math. Semin. Rep. 26, 327-342 (1975). MSC: 31B30 PDFBibTeX XMLCite \textit{D. Hada} et al., Kōdai Math. Semin. Rep. 26, 327--342 (1975; Zbl 0302.31010) Full Text: DOI
Sario, Leo; Wang, Cecilia Harmonic and biharmonic degeneracy. (English) Zbl 0272.31005 Kōdai Math. Semin. Rep. 25, 392-396 (1973). MSC: 31B30 PDFBibTeX XMLCite \textit{L. Sario} and \textit{C. Wang}, Kōdai Math. Semin. Rep. 25, 392--396 (1973; Zbl 0272.31005) Full Text: DOI
Sario, Leo; Wang, Cecilia Positive harmonic functions and biharmonic degeneracy. (English) Zbl 0252.31010 Bull. Am. Math. Soc. 79, 182-187 (1973). MSC: 31B05 31B30 PDFBibTeX XMLCite \textit{L. Sario} and \textit{C. Wang}, Bull. Am. Math. Soc. 79, 182--187 (1973; Zbl 0252.31010) Full Text: DOI