Reyes, W. A note on isocline planes. (Spanish) Zbl 0714.53021 Rev. Colomb. Mat. 23, No. 1-4, 1-4 (1989). Reviewer: M.Stoka MSC: 53B20 51N20 PDFBibTeX XMLCite \textit{W. Reyes}, Rev. Colomb. Mat. 23, No. 1--4, 1--4 (1989; Zbl 0714.53021) Full Text: EuDML
Elcrat, Alan R.; Lancaster, Kirk E. Bernstein functions and the Dirichlet problem. (English) Zbl 0699.35095 SIAM J. Math. Anal. 20, No. 5, 1055-1068 (1989). Reviewer: R.Heersink MSC: 35J65 53A10 35Q15 PDFBibTeX XMLCite \textit{A. R. Elcrat} and \textit{K. E. Lancaster}, SIAM J. Math. Anal. 20, No. 5, 1055--1068 (1989; Zbl 0699.35095) Full Text: DOI