X. Zhang, L. Liu, Y. Wu, B. Wiwatanapataphee, and Y. Cui, “Solvability and asymptotic properties for an elliptic geophysical fluid flows model in a planar exterior domain”, NAMC, vol. 26, no. 2, pp. 315–333, Mar. 2021, doi: 10.15388/namc.2021.26.21202.