Nešetřil, Jaroslav A surprising permanence of old motivations (a not-so-rigid story). (English) Zbl 1183.01032 Discrete Math. 309, No. 18, 5510-5526 (2009). Reviewer: Antonín Slavík (Praha) MSC: 01A70 05-02 05-03 05C75 PDFBibTeX XMLCite \textit{J. Nešetřil}, Discrete Math. 309, No. 18, 5510--5526 (2009; Zbl 1183.01032) Full Text: DOI
Duffus, Dwight Obituary: Ivan Rival. (English) Zbl 1089.01515 Order 20, No. 3, 173-183 (2003). MSC: 01A70 PDFBibTeX XMLCite \textit{D. Duffus}, Order 20, No. 3, 173--183 (2003; Zbl 1089.01515) Full Text: DOI
Lenz, Hanfried; Ringel, Gerhard A brief review on Egmont Köhler’s mathematical work. (English) Zbl 0765.05002 Discrete Math. 97, No. 1-3, 3-16 (1991). Reviewer: D.Fronček MSC: 05-03 01A70 05C70 05B05 51E10 PDFBibTeX XMLCite \textit{H. Lenz} and \textit{G. Ringel}, Discrete Math. 97, No. 1--3, 3--16 (1991; Zbl 0765.05002) Full Text: DOI