@Article{	  MR2925769,
  author	= {Krumbiegel, Klaus and Neitzel, Ira and R{\"o}sch, Arnd},
  title		= {Regularization for semilinear elliptic optimal control
		  problems with pointwise state and control constraints},
  journal	= {Comput. Optim. Appl.},
  fjournal	= {Computational Optimization and Applications. An
		  International Journal},
  volume	= {52},
  year		= {2012},
  number	= {1},
  pages		= {181--207},
  issn		= {0926-6003},
  mrclass	= {49M15 (49K20 65J22)},
  mrnumber	= {2925769},
  mrreviewer	= {Irwin Yousept},
  doi		= {10.1007/s10589-010-9357-z},
  url		= {http://dx.doi.org/10.1007/s10589-010-9357-z},
  annote	= {journal}
}