Best, G.C. (1949). "Notes on the Graeffe Method of Root Squaring". The American Mathematical Monthly. 56 (2): 91–94. doi:10.2307/2306166. JSTOR2306166.
Best, G.C. (1949). "Notes on the Graeffe Method of Root Squaring". The American Mathematical Monthly. 56 (2): 91–94. doi:10.2307/2306166. JSTOR2306166.