@article{VTPMK_2017_3_a4,
     author = {R. A. Korolev and L. K. Karamova},
     title = {Approximate formulas for calculation of the optimal level of deductible},
     journal = {Vestnik Tverskogo gosudarstvennogo universiteta. Seri\^a Prikladna\^a matematika},
     pages = {61--72},
     publisher = {mathdoc},
     number = {3},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VTPMK_2017_3_a4/}
}