@inproceedings{sgem2004paper,
  title = {SOLUTION OF GOAL FUNCTIONS, COMPILED BY MEANS OF EXPONENCIAL FUNCTIONS, FOR OPTIMIZING THE AVERAGE ANNUAL EXPENSES FOR MAINTENANCE AND REPAIR OF MINE ROADS},
  author = {A. Smilyanov and G. Trapov and I. Mariov and D. Hristanov},
  booktitle = {4th International Scientific Conference - SGEM2004},
  year = {2004},
  pages = {111-116},
  publisher = {SGEM Scientific GeoConference},
  doi = {}
}