1. J. Ackeret,Über exakte Lösungen der Stokes-Navier-Gleichungen..., Z. angew. Math. Phys.3, 259–271 (1952).
2. S. Goldstein,Modern Developments in Fluid Dynamics (Oxford 1938), p. 103.
3. H. B. Squire,The Growth of a Vortex in Turbulent Flow, British A. R. C. No. 16, 666 (1954).
4. Z. O. Bleviss,Theoretical Analysis of Light Plane Landing and Take-Off Accidents due to Encountering the Wakes of Large Airplanes, Rep. No. SM-18647, Douglas Aircraft Co. (1954).
5. H. Klein,An Aerodynamic Screen for Jet Engines, Rep. No. SM-22625, Douglas Aircraft Co. (1957).