@inproceedings{abdelsalam2003selection,
  author = {Abdel-Salam G. Abdel-Salam and Ramadan Hamed and Ali El-Hefnawy},
  title = {Selection of Variables in Discriminant Analysis Using Mathematical Programming Approach},
  year = {2003},
  booktitle = {38th Annual Conference on Statistics, Computer Sciences and Operation Research},
  pages = {115--131},
  publisher = {Institute of Statistical Studies and Research, Cairo University}
}