Eisenfeld, J.; Zaretzki, P. M. Normal forms for systems of semilinear hyperbolic partial differential equations. (English) Zbl 0255.35059 Bull. Am. Math. Soc. 79, 400-402 (1973). MSC: 35L10 35L40 PDFBibTeX XMLCite \textit{J. Eisenfeld} and \textit{P. M. Zaretzki}, Bull. Am. Math. Soc. 79, 400--402 (1973; Zbl 0255.35059) Full Text: DOI
Young, E. C. Uniqueness theorems for certain improperly posed problems. (English) Zbl 0209.12505 Bull. Am. Math. Soc. 77, 253-256 (1971). MSC: 35R25 35N15 PDFBibTeX XMLCite \textit{E. C. Young}, Bull. Am. Math. Soc. 77, 253--256 (1971; Zbl 0209.12505) Full Text: DOI
Ben-Israel, A.; Charnes, A.; Kortanek, K. O. Duality and asymptotic solvability over cones. (English) Zbl 0187.17504 Bull. Am. Math. Soc. 75, 318-324 (1969). PDFBibTeX XMLCite \textit{A. Ben-Israel} et al., Bull. Am. Math. Soc. 75, 318--324 (1969; Zbl 0187.17504) Full Text: DOI
Peterson, E. L.; Ecker, J. G. Geometric programming: a unified duality theory for quadratically constrained quadratic programs and \(l_ p\)-constrained \(l_ p\)- approximation problems. (English) Zbl 0155.28502 Bull. Am. Math. Soc. 74, 316-321 (1968). PDFBibTeX XMLCite \textit{E. L. Peterson} and \textit{J. G. Ecker}, Bull. Am. Math. Soc. 74, 316--321 (1968; Zbl 0155.28502) Full Text: DOI
Weinberger, H. F. On bounding harmonic functions by linear interpolation. (English) Zbl 0124.05402 Bull. Am. Math. Soc. 70, 525-529 (1964). Reviewer: H. Wallin MSC: 31A99 PDFBibTeX XMLCite \textit{H. F. Weinberger}, Bull. Am. Math. Soc. 70, 525--529 (1964; Zbl 0124.05402) Full Text: DOI
Charnes, A.; Cooper, W. W.; Kortanek, K. A duality theory for convex programs with convex constraints. (English) Zbl 0131.36502 Bull. Am. Math. Soc. 68, 605-608 (1962). PDFBibTeX XMLCite \textit{A. Charnes} et al., Bull. Am. Math. Soc. 68, 605--608 (1962; Zbl 0131.36502) Full Text: DOI
John, Fritz Continuation and reflection of solutions of partial differential equations. (English) Zbl 0080.30304 Bull. Am. Math. Soc. 63, 327-344 (1957). PDFBibTeX XMLCite \textit{F. John}, Bull. Am. Math. Soc. 63, 327--344 (1957; Zbl 0080.30304) Full Text: DOI
Duffin, R. J. Nonlinear networks. III. (English) Zbl 0032.23002 Bull. Am. Math. Soc. 55, 119-129 (1949). PDFBibTeX XMLCite \textit{R. J. Duffin}, Bull. Am. Math. Soc. 55, 119--129 (1949; Zbl 0032.23002) Full Text: DOI
Duffin, R. J. Nonlinear networks. IIb. (English) Zbl 0032.23001 Bull. Am. Math. Soc. 54, 119-127 (1948). PDFBibTeX XMLCite \textit{R. J. Duffin}, Bull. Am. Math. Soc. 54, 119--127 (1948; Zbl 0032.23001) Full Text: DOI