Spiegel, Munay R. . <br/><br/>
Mathematical Handbook /  Textual Documents 
Munay R.Spiegel. 
 - Sl :  Sn ,  1942. 
<br/><br/><label>Subjects--Index Terms: </label>Math 
<br/><br/><label>Dewey Class. No.: </label>511  / P 32 T