Jongen, Hubertus T.; Krieg, Aloys Otto Blumenthal. (German) Zbl 1294.01047 Mitt. Dtsch. Math.-Ver. 8, No. 4, 49-52 (2000). MSC: 01A70 PDFBibTeX XMLCite \textit{H. T. Jongen} and \textit{A. Krieg}, Mitt. Dtsch. Math.-Ver. 8, No. 4, 49--52 (2000; Zbl 1294.01047) Full Text: DOI
Krieg, Aloys Practical training for pupils in mathematics. (Mathematisches Praktikum für Schüler.) (German) Zbl 1251.97002 Mitt. Dtsch. Math.-Ver. 7, No. 3, 42 (1999). MSC: 97B40 PDFBibTeX XMLCite \textit{A. Krieg}, Mitt. Dtsch. Math.-Ver. 7, No. 3, 42 (1999; Zbl 1251.97002) Full Text: DOI