7FORD L R, FULKERSON D R. Maximal Flow Through a Network[J]. Canadian Journal of Mathe- matics, 1956,8 (3) : 399-404.
8BHCHANAN J M. The Economics of Earmarked Taxes[J]. Journal of Political Economy, 1963, 71 (5) :457-469.
9SAITO Y, MASUYA K. Application of T-region in a Linear Programming Problem to the Calculation of Zonal Trip Generation and Attraction [C]//Japan Society of Civil Engineers. Proceedings of Japan So- ciety of Civil Engineering. Tokyo: JSCE, 1989:147- 150.
10FERRARI P. Road Pricing and Network Equilibri- um [J]. Transportation Research Part B, 1995, 29 (5):357-372.