Ge, Fudong; Chen, YangQuan; Kou, Chunhai Regional gradient controllability of sub-diffusion processes. (English) Zbl 1339.93025 J. Math. Anal. Appl. 440, No. 2, 865-884 (2016). MSC: 93B05 35R11 93C20 PDFBibTeX XMLCite \textit{F. Ge} et al., J. Math. Anal. Appl. 440, No. 2, 865--884 (2016; Zbl 1339.93025) Full Text: DOI
Wang, Cecilia Y. Stiffness of harmonic functions. (English) Zbl 0423.31004 Proc. Am. Math. Soc. 77, 103-106 (1979). MSC: 31C12 30A99 31C05 PDFBibTeX XMLCite \textit{C. Y. Wang}, Proc. Am. Math. Soc. 77, 103--106 (1979; Zbl 0423.31004) Full Text: DOI
Glasner, Moses The principal operators L\(_0\) and L\(_1\) and the Royden boundary. (English) Zbl 0252.31009 J. Anal. Math. 24, 163-172 (1971). MSC: 31B25 31C05 31D05 35J40 35B45 PDFBibTeX XMLCite \textit{M. Glasner}, J. Anal. Math. 24, 163--172 (1971; Zbl 0252.31009) Full Text: DOI
Nakai, Mitsuru; Sario, Leo A new operator for elliptic equations and the \(P\)-compactification for \(\Delta u=Pu\). (English) Zbl 0196.12703 Math. Ann. 189, 242-256 (1970). PDFBibTeX XMLCite \textit{M. Nakai} and \textit{L. Sario}, Math. Ann. 189, 242--256 (1970; Zbl 0196.12703) Full Text: DOI EuDML
Rodin, Burton; Sario, Leo Convergence of normal operators. (English) Zbl 0164.42003 Kōdai Math. Semin. Rep. 19, 165-173 (1967). PDFBibTeX XMLCite \textit{B. Rodin} and \textit{L. Sario}, Kōdai Math. Semin. Rep. 19, 165--173 (1967; Zbl 0164.42003) Full Text: DOI
Nakai, Mitsuru; Sario, Leo Harmonic fields with given boundary behavior in Riemannian spaces. (English) Zbl 0164.11201 J. Anal. Math. 18, 245-257 (1967). PDFBibTeX XMLCite \textit{M. Nakai} and \textit{L. Sario}, J. Anal. Math. 18, 245--257 (1967; Zbl 0164.11201) Full Text: DOI
Browder, F. E. Principal functions for elliptic systems of differential equations. (English) Zbl 0144.14703 Bull. Am. Math. Soc. 71, 342-344 (1965). PDFBibTeX XMLCite \textit{F. E. Browder}, Bull. Am. Math. Soc. 71, 342--344 (1965; Zbl 0144.14703) Full Text: DOI
Sario, Leo; Schiffer, M.; Glasner, M. The span and principal functions in Riemannian spaces. (English) Zbl 0136.09603 J. Anal. Math. 15, 115-134 (1965). PDFBibTeX XMLCite \textit{L. Sario} et al., J. Anal. Math. 15, 115--134 (1965; Zbl 0136.09603) Full Text: DOI