1. T. Y. Wu and R. E. Messick (private communication).
2. L. Debnath, K. K. Bagchi, and S. Mukherjee, Acta Mech. 28, 313 (1977).AMHCAP0001-5970
3. A. K. Paramanik, Z. Angew. Math. Phys. 31, 174 (1980)ZAMPA80044-2275
4. [J. Appl. Math. Phys. 31, 174 (1980)].
5. E. Cumberbatch, J. Fluid Mech. 23, 471 (1965).JFLSA70022-1120