Dictionary of mathematics 
Millington, T. Alaric. 
 -  Cassell and Co., Ltd.  1966 
 - ix, 259 p. ;. 
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<br/><br/><label>ISBN: </label>0-06-463311-X 
<br/><br/><label>Dewey Class. No.: </label>R 510.03 M62d 1966