]]>http://biblio.pd.cnr.it/cgi-bin/koha/opac-detail.pl?biblionumber=4266Combinatorial enumeration / 0471866547
http://biblio.pd.cnr.it/cgi-bin/koha/opac-detail.pl?biblionumber=3755
By Goulden, I. P..
New York : John Wiley & Sons, 1983
. XXIII, 569 p. ;
24 cm..
0471866547