Michael Gnewuch René Lindloh Reinhold Schneider Anand Srivastav Cubature formulas for function spaces with moderate smoothness. 828-850 2007 23 J. Complexity 4-6 http://dx.doi.org/10.1016/j.jco.2007.07.002 db/journals/jc/jc23.html#GnewuchLSS07