[1]
El-Sheikh, M.G., Gavdzinski, V.N. and Radwan, A.E. 2001. On the solutions of mixed plane problems that are unbounded where the boundary conditions change. Tamkang Journal of Mathematics. 32, 3 (Sep. 2001), 173–180. DOI:https://doi.org/10.5556/j.tkjm.32.2001.372.