%0 Journal Article %T THE IIM STABILIZED WITH A CUBIC SPLINE MODEL FOR THE SOURCE FUNCTION %A O. Cardona %A E. Simonneau %J Revista mexicana de astronom¨ªa y astrof¨ªsica %D 2011 %I Universidad Nacional Aut¨®noma de M¨¦xico %U http://www.redalyc.org/articulo.oa?id=57121297139