@article{MinimumGradientComplexity,
  title = "The Minimum Gradient Complexity Control Applied to Sensitivity Extraction of Electromagnetic Devices",
  author = "D.A.G. Vieira and J.A. Vasconcelos and V. Palade and W.M. Caminhas",
  year = "2008",
  journal = "{IEEE Transaction in Magnetics}",
  pages = "1114-1117",
  volume = "44",
}