@inproceedings{KP1992dC,
author = {Jyrki Katajainen and Tomi Pasanen},
title = {Sorting multisets stably in minimum space},
booktitle = {Proceedings of the 3rd Scandinavian Workshop on Algorithm
Theory},
series = {Lecture Notes in Computer Science},
volume = {621},
publisher = {SpringerVerlag},
year = {1992},
pages = {410421},
}
