Livshits Klimentiy I., Bublic Yana S. «Ruin probability of an insurance company under double stochastic insurance premium and insurance payment currents» // 2011. №4(17) C.64-73
Bublic Yana.S, Livshits Klimentiy. I. «Ruin probability of an insurance company under double stochasticpayment current» // 2010. №1(10) C.66-77