Programming in Networks and Graphs On the Combinatorial Background and Near-Equivalence of Network Flow and Matching Algorithms Derigs Ulrich Heftet / 1988 / Engelsk
Assignment and Matching Problems: Solution Methods with FORTRAN-Programs Burkard R. E. Heftet / 1980 / Engelsk
Operations Research Proceedings 1994 Selected Papers of the International Conference on Operations Research, Berlin, August 30 – September 2, 1994 Derigs Ulrich Heftet / 1995 / Engelsk
Operations Research ’93 Extended Abstracts of the 18th Symposium on Operations Research held at the University of Cologne September 1–3, 1993 Bachem Achim Heftet / 1994 / Engelsk
Operations Research Proceedings 1993 DGOR/NSOR Papers of the 22nd Annual Meeting of DGOR in Cooperation with NSOR / Vorträge der 22. Jahrestagung der DGOR zusammen mit NSOR Dyckhoff Harald Heftet / 1994 / Tysk
Operations Research Proceedings 1997 Selected Papers of the Symposium on Operations Research (SOR’97) Jena, September 3–5, 1997 Kischka Peter Heftet / 1998 / Tysk
Operations Research Proceedings 1995 Selected Papers of the Symposium on Operations Research (SOR ’95), Passau, September 13 – September 15, 1995 Kleinschmidt Peter Heftet / 1996 / Tysk
Operations Research Proceedings 1996 Selected Papers of the Symposium on Operations Research (SOR 96), Braunschweig, September 3 - 6, 1996 Zimmermann, Uwe Heftet / 1997 / Engelsk
