. "2008Z"^^ . . . . . . . "Erwin O. Kreyszig (January 6, 1922 in Pirna, Germany \u2013 December 12, 2008) was a German Canadian applied mathematician and the Professor of Mathematics at Carleton University in Ottawa, Canada. He was a pioneer in the field of applied mathematics: non-wave replicating linear systems."@en . . "Erwin O. Kreyszig"@en . . "1922-01-06Z"^^ . "Kreyszig, Erwin"@en . . . "2008-12-12Z"^^ . . "German mathematician" . "1922Z"^^ .