Electronic Notes in Discrete Mathematics  [e-journal] 
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 .-  Elsevier, 
ISSN: 1571-0653 
<br><U>Copy Details:</u><br> Acc. No.: <b>EJK2805</b>, Full Call No.: ,   Item type:  Electronic Journals , Location: , <br><b>------------------------- --------------------- ------ --------- ------- ------- --------- -------- </b><br>