Irregular assignments and two problems
In Topics in combinatorics and graph theory (Oberwolfach, 1990), Physica (1990), 29--36.
BibTex references
@InCollection\{AT90a,
author = "Aigner, Martin and Triesch, Eberhard",
title = "Irregular assignments and two problems ",
booktitle = "Topics in combinatorics and graph theory (Oberwolfach, 1990)",
pages = "29--36",
year = "1990",
publisher = "Physica",
address = "Heidelberg",
}