Ramanujacharyulu, C. <br/><br/>
Introduction to mathematics of discrete structures  / 

 - Maryland:  Maryland University Press,    
 - 
 - Technical research report R-70-02) (For pt. 1 see 512/R165.IM .
<br/><br/><label>Dewey Class. No.: </label>511.3  / R165.IM