Ward, L. E. jun. A fixed point theorem for multi-valued functions. (English) Zbl 0084.38301 Pac. J. Math. 8, 921-927 (1958). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 11 Documents Keywords:topology PDFBibTeX XMLCite \textit{L. E. Ward jun.}, Pac. J. Math. 8, 921--927 (1958; Zbl 0084.38301) Full Text: DOI