共 17 条
[13]
La Torre D., 2015, Electron. J. Differ. Equ., V277, P1
[14]
Sanchirico J., 1999, J ENVIRON ECON MANAG, V42, P257
[16]
SMITH VL, 1968, AM ECON REV, V58, P409
[17]
Zelikin MI, 2017, MATH NOTES+, V102, P521, DOI [10.1134/S0001434617090243, 10.4213/mzm11310]