To reference or cite the objects present in the Software Heritage archive, permalinks based on SoftWare Hash IDentifiers (SWHIDs) must be used.
Select below a type of object currently browsed in order to display its associated SWHID and permalink.
This interface enables to generate software citations, provided that the root directory of browsed objects contains a citation.cff or codemeta.json file.
Select below a type of object currently browsed in order to generate citations for them.
Generate software citation in BibTex format (requires biblatex-software package)
Generating citation ...
Generate software citation in BibTex format (requires biblatex-software package)
Generating citation ...
X1_3_3.txt
N := 1;
X := u^2 + u + 1;
Xz := z;
q := u+1;
t := v;
E := [(1+q)*t+(2-q),0,q*t^2+(1-q)*t,0,0];
P := [-t,t^2];
Q := [0,0];