LEADER 00992nam a22002655i 4500 001 991002181239707536 007 cr nn 008mamaa 008 121227s1972 gw | s |||| 0|eng d 020 $a9783540379942 035 $ab1413388x-39ule_inst 040 $aBibl. Dip.le Aggr. Matematica e Fisica - Sez. Matematica$beng 082 04$a510$223 100 1 $aWallis, W. D.$0478867 245 10$aCombinatorics :$broom squares, sum-free sets, Hadamard matrices$h[e-book] /$cby W. D. Wallis ... [et al.] 260 $aBerlin :$bSpringer,$c1972 300 $a1 online resource (508 p.) 440 0$aLecture Notes in Mathematics,$x0075-8434 ;$v292 650 0$aMathematics 773 0 $aSpringer eBooks 856 40$uhttp://dx.doi.org/10.1007/BFb0069907$zAn electronic book accessible through the World Wide Web 907 $a.b1413388x$b03-03-22$c05-09-13 912 $a991002181239707536 996 $aCombinatorics$9262727 997 $aUNISALENTO 998 $ale013$b05-09-13$cm$d@ $e-$feng$ggw $h0$i0