ISBN 978-0-393-04002-9 Paul Halmos, I Want to Be a Mathematician: An Automathography, Berlin, New York: Springer-Verlag, 1985, ISBN 978-0-387-96078-4 Irving Stringham
Wealth and Well-Being of Society. New York: D. Appleton and Co. 1890: 222. ISBN 0-543-72474-3. 为什么要担心通货紧缩? Irving Fisher: The Debt-Deflation Theory of Great