20090706孫嘉宏
Toshihiro Matsumura and Daisuke Shimizu (2006).
Cournot and Bertrand in Shipping Models with Circular Markets.
Papers in Regional Science, Vol.85, No.4, pp. 585-598.
Toshihiro Matsumura and Daisuke Shimizu (2006).
Papers in Regional Science, Vol.85, No.4, pp. 585-598.