TY JOUR TI MATHEMATICAL MODELING OF SAMPLE’S INFLUENCE ZONE KW mineralization heterogeneity KW geological parameter KW sample KW variability KW anisotropy KW correlation KW vector KW matrix KW tensor KW pedal curve JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Red'kin, G.. AU Konovalov, A.. PY 2016 IS 1 PB Belgorod State Technological University named after V.G. Shukhov