@book{ BA64594168, author = "Cass, David", title = "Optimum growth in an aggregative model of capital accumulation : a turnpike theorem", publisher = "Cowles Foundation for Research in Economics at Yale University", year = "1964", series = "Cowles Foundation paper / Cowles Foundation for Research in Economics at Yale University", number = "no. 264", URL = "https://ci.nii.ac.jp/ncid/BA64594168" }