Authors: Ana-Isabel Guerra and Ferran Sancho
Applied Mathematics and Computation, Vol. 219, No 8, 4045--4048, January, 2012
This paper originally appeared as
Barcelona School of Economics Working Paper 580
Authors: Ana-Isabel Guerra and Ferran Sancho
Applied Mathematics and Computation, Vol. 219, No 8, 4045--4048, January, 2012© Barcelona Graduate School of Economics. All rights reserved.