%0 Journal Article %A R. A. Korolev %A L. K. Karamova %T Approximate formulas for calculation of the optimal level of deductible %J Vestnik Tverskogo gosudarstvennogo universiteta. Seriâ Prikladnaâ matematika %D 2017 %P 61-72 %N 3 %U http://geodesic.mathdoc.fr/item/VTPMK_2017_3_a4/ %G ru %F VTPMK_2017_3_a4