Douglis, A.  1918- <br/><br/>
Ideas in mathematics. 

 - Philadelphia :  Saunders,  1970. 
 - xxvi, 784 p. :  illus. ;  26 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/> Open access. 
<br/><br/><label>LCCN: </label>72103566  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics.