O'Connor, J J; E F Robertson (December 1997). "Shatunovsky biography". School of Mathematics and Statistics: University of St Andrews, Scotland. Archived from the original on 11 May 2012. Retrieved 3 January 2010.
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O'Connor, J J; E F Robertson (December 1997). "Shatunovsky biography". School of Mathematics and Statistics: University of St Andrews, Scotland. Archived from the original on 11 May 2012. Retrieved 3 January 2010.