Gellert, W.ed. <br/><br/>
VNR concise encyclopedia of mathematics / 
W. Gellert ... [et al.], editors ; K. A. Hirsch, H. Reichardt, scientific advisors. 
 - 1st American ed. 
 - New York :  Van Nostrand Reinhold Co.,  1977, c1975. 
 - 760 p., [28] leaves of plates :  ill. ; 
<br/><br/> Translation of: Mathematik.  Previously published under title: Mathematics at a glance.  Includes indexes. 
<br/><br/><label>ISBN: </label>0442226462.  0442226470 
<br/><br/><label>Subjects--Index Terms: </label>Encyclopedia- mathematics 
<br/><br/><label>Universal Decimal Class. No.: </label>51(031)  / GEL