Gathen, Joachim von zur (Nombre personal)

Modern computer algebra, 1999: t.p. (Joachim von zur Gathen; Univ. of Paderborn) p. i (Ph. D., Univ. Zürich; taught at Univ. of Toronto 1981-94) p. 708 (author's name listed alphabetically bet. Harvey L. Garner and Carl Friedrich Gauss)

OCLC database, 10/30/00 (hdg.: Gathen, Joachim von zur; usage: Joachim von zur Gathen)

Wikipedia, viewed Jan. 4, 2016 (Joachim von zur Gathen, born 1950, German mathematician and computer scientist; Ph.D. 1980 from University of Zurich; professor at University of Toronto (1981-1994); Universität Paderborn (1994-2004); Universität Bonn (2004-2015); founding editor-in-chief of the journal Computational Complexity) https://en.wikipedia.org/wiki/Joachim_von_zur_Gathen