TY - CONF A1 - Grötschel, Martin A1 - Wakabayashi, Yoshiko A2 - Cottle, Richard A2 - Kelmanson, Milton A2 - Korte, Bernhard T1 - Constructions of hypotraceable digraphs T2 - Mathematical Programming. Proceedings of the International Congress on Mathematical Programming, Rio de Janeiro, Brazil, 6-8 April 1981 Y1 - 1984 UR - https://opus4.kobv.de/opus4-zib/frontdoor/index/index/docId/3039 SP - 147 EP - 175 PB - North-Holland ER -