Kamalpreet Kaur. <br/><br/>
Investigation of threshold proxy signature schemes. 
Kamalpreet Kaur. 
 - Dr.B.R.Amb 
 - Jalandhar.  Dr.B.R.Ambedkar National Institute of Te  2008 
 - xiv; 99p 
<br/><br/><label>Dewey Class. No.: </label>5.82  / KA-I