Furth, Dave Demand in a duopoly with product differentiation. (English) Zbl 0729.90012 Nieuw Arch. Wiskd., IV. Ser. 8, No. 3, 279-293 (1990). Reviewer: D.Furth MSC: 91B24 PDF BibTeX XML Cite \textit{D. Furth}, Nieuw Arch. Wiskd., IV. Ser. 8, No. 3, 279--293 (1990; Zbl 0729.90012)
Furth, Dave; Withagen, Cees Mathematical economies, an introduction. (English) Zbl 0719.90527 Nieuw Arch. Wiskd., IV. Ser. 8, No. 3, 273-277 (1990). MSC: 91B99 90-01 PDF BibTeX XML Cite \textit{D. Furth} and \textit{C. Withagen}, Nieuw Arch. Wiskd., IV. Ser. 8, No. 3, 273--277 (1990; Zbl 0719.90527)