Wrong reference in webpage, section "How to cite Singular".

[laplagne]

The details on how to cite Singular in ​http://www.singular.uni-kl.de/how_to_cite.html refer to a publication instead of the software itself.

@InBook?{GPS01,

chapter = {{\sc Singular} 3.0 --- A computer algebra system for polynomial computations}, pages = {227--233}, title = {Symbolic computation and automated reasoning, The Calculemus-2000 Symposium}, publisher = {A. K. Peters, Ltd.}, year = {2001}, editor = {Manfred Kerber and Michael Kohlhase}, author = {Gert-Martin Greuel and Gerhard Pfister and Hans Sch\"{o}nemann}, address = {Natick, MA, USA}, isbn = {1-56881-145-4},

}