Statistical Densities, Cumulatives, Quantiles, and Power Obtained by S-System Differential Equations
本文提出用S系统微分方程来近似计算统计密度、累积分布、分位数和统计功效，为统计计算提供新方法。
Philip F. Rust, Eberhard O. Voit, Statistical Densities, Cumulatives, Quantiles, and Power Obtained by S-System Differential Equations, Journal of the American Statistical Association, Vol. 85, No. 410 (Jun., 1990), pp. 572-578