1. Memoire sur la theorie du mouvement des fluides;Lagrange,1781
2. On the steady motion of incompressible fluids;Stokes;Cambridge Trans,1842
3. Stream functions in three dimensional flows;Yih;La Houille Blanche,1957
4. Stream functions for three dimensional flows;Giese;J. Math. Phys.,1951
5. Example of the need for two stream functions in three dimensional flows;Benton;J. Math. Phys.,1962