Gan, Xiao-Xiong; Stromberg, Karl R. On universal primitive functions. (English) Zbl 0845.26005 Proc. Am. Math. Soc. 121, No. 1, 151-161 (1994). Reviewer: J.Zafarani (Isfahan) MSC: 26B35 PDFBibTeX XMLCite \textit{X.-X. Gan} and \textit{K. R. Stromberg}, Proc. Am. Math. Soc. 121, No. 1, 151--161 (1994; Zbl 0845.26005) Full Text: DOI
Gan, Xiao-Xiong; Stromberg, Karl R. On approximate antigradients. (English) Zbl 0845.26003 Proc. Am. Math. Soc. 119, No. 4, 1201-1209 (1993). MSC: 26B35 PDFBibTeX XMLCite \textit{X.-X. Gan} and \textit{K. R. Stromberg}, Proc. Am. Math. Soc. 119, No. 4, 1201--1209 (1993; Zbl 0845.26003) Full Text: DOI
Stromberg, Karl An elementary proof of Steinhaus’s theorem. (English) Zbl 0278.28013 Proc. Am. Math. Soc. 36, 308 (1972). MSC: 28C10 43A05 22B05 PDFBibTeX XMLCite \textit{K. Stromberg}, Proc. Am. Math. Soc. 36, 308 (1972; Zbl 0278.28013) Full Text: DOI