1. The transverse velocity gradient near the mouths of pipes in which an alternating or continuous flow of air is established;Richardson;Proc. Phys. Soc. London,1929
2. Oscillating two-phase channel flows;Healy;ZAMP,1970
3. The pulsating viscous flow superposed on the steady laminar motion of incompressible fluid in a circular pipe;Uchida;ZAMP,1956
4. Whittaker , E. T. Watson , G. N. A Course of modern analysis, Cambridge 1950 4