In Danish:
http://da.wikipedia.org/wiki/Stabilitets-_og_V%C3%A6kstpagten
http://da.wikipedia.org/wiki/Konvergenskrav
http://da.wikipedia.org/wiki/EU%27s_finanspagt
In English:
http://en.wikipedia.org/wiki/Stability_and_Growth_Pact
http://en.wikipedia.org/wiki/Fiscal_compact
http://en.wikipedia.org/wiki/Convergence_criteria