We would like to thank the following people for their
helpful comments over the years:
- Georgios Akrivis, Ioannina, Greece
- Josef Betten, Aachen, Germany
- Phillippe G. Ciarlet, Paris, France
- Weimin Han, Iowa City, Iowa, USA
- Jiangguo Liu, College Station, Texas, USA
- Jan Mandel, Denver, Colorado, USA
- Ricardo Nochetto, College Park, Maryland, USA
- Luq Paquet, Valenciennes, France
- Joseph E. Pasciak, College Station, Texas, USA
- Olof B. Widlund, New York, New York, USA
- Zhimin Zhang, Detroit, Michigan, USA