@inproceedings{GroetschelWakabayashi1984, author = {Martin Gr{\"o}tschel and Yoshiko Wakabayashi}, title = {Constructions of hypotraceable digraphs}, booktitle = {Mathematical Programming. Proceedings of the International Congress on Mathematical Programming, Rio de Janeiro, Brazil, 6-8 April 1981}, editor = {Richard Cottle and Milton Kelmanson and Bernhard Korte}, pages = {147 -- 175}, year = {1984}, }