TY  - CPAPER
AU  - I. Markov
AU  - A. Smilyanov
AU  - G. Trapov
AU  - D. Hristanov
TI  - GOAL FUNCTIONS, COMPILED BY HYPERBOLIC FUNCTIONS, FOR OPTIMIZING THE EXPENSES FOR MAINTENANCE AND REPAIR OF MINE AUTOMOBILE ROADS
T2  - 4th International Scientific Conference - SGEM2004
PY  - 2004
SP  - 117
EP  - 126
PB  - SGEM Scientific GeoConference
ER  -