TY - BOOK AU - Sakashita, Noboru AU - Sasaki, Komei (ed) TI - Optimum and equilibrium for regional economies: Collected pa SN - 3-540-60884-2 U1 - 330.91732/SAS PY - 1996/// CY - New York PB - Springer-Verlag KW - Urban economics--Mathematical models KW - General economics KW - Economics ER -