【摘要】 考虑以生产性固定资产按役龄的分布密度为状态变量的投资控制模型，证明了该模型解的存在性和唯一性，分析了解的稳定性。更多还原

【Abstract】 A control model of investment of productive fixed capital is considred, it is proved that the model admits a unique solution. Finally, the stability of this system is discussed.更多还原