Congressus numerantium 

 - Winnipeg, Man.:  Utilitas Mathematica,  1992. 
 - 222p.  ill.; 
 - Üç ayda bir. 
 - Congressus Numerantium; .
<br/><br/><label>ISSN: </label>0384-9864 
<br/><br/><label>LC Class. No.: </label>QD1  / .C66 1992