To all, I went to the site of the Long Island University where Robert Prener is supposed to be a professor in Mathematics. I could not find him in the "Richard L. Connoly College of Liberal Arts and Sciences", Science division II, Mathematics, "People".. See for the thread: USMA 12570 from Nat Hager USMA 12572, from Stanley Doore USMA 12577 from Marcus Berger http://www.brooklyn.liunet.edu/cwis/bklyn/bklyn.html *Directories* Search facility: Robert Prener The answer: Sorry No Records were found (!!) Han
