@inproceedings{sgem2004paper,
  title = {OPTIMIZING THE AVERAGE ANNUAL EXPENDITURE FOR REPAIR AND MAINTENANCE THROUGH BETWEEN-REPAIR SCHEMES, BASED ON POLYNOMIAL FUNCTIONS},
  author = {I. Markov and A. Smilyanov and G. Trapov and D. Hristanov},
  booktitle = {4th International Scientific Conference - SGEM2004},
  year = {2004},
  pages = {87-96},
  publisher = {SGEM Scientific GeoConference},
  doi = {}
}