250. Cisotti, U., Moto con scia di un profile flessibile. Accad. Lincei, Atti (6) 15, 

 p. 165 (1932); see also p. 253. 



251. Smithj R.H., Aerodynamic theory and test of strut forms, N.A.C.A. Tech. Rep. 311 

 (1929). 



252. Sakurai, T., On the flow of perfect fluid past curved boundaries. Jap. J. Physics 13, 

 p. 1 (1939). 



253. Ollendorff, F., Potentialfelder der Elektrotechnik. (1932). 



254. Rankine, W.J.M., Phil. Trans. 154, p. 369 (1864). 



255. Harris, R.A., On two-dimensional fluid motion through spouts composed of two plane 

 walls. Ann. Math. (2) 1 (1901). 



256. Rayleigh, Roy. Soc, Proc. 91, p. 503 (1915) (Papers VI, 329). 



257. Lagally, Ideale Flussigkeiten. 



258. Deimler, W., Zeits. f. Math. u. Physik 60, p. 373 (1911). 



259. Masotti, A., Sul moto piano discontinuo indotto da una sorgente addossatta ad una 

 lamina rettilinea indefinita. Accad. Lincei, Atti (6) 20, p. 169 (1934). 



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