LEADER 01168nam a2200313 i 4500 001 991001806629707536 008 060801s2006 riu b 001 0 eng d 020 $a0821839330 024 3 $a9780821839331 035 $ab13430166-39ule_inst 040 $aDip.to Matematica$beng 082 04$a510$222 084 $aAMS 00A08 084 $aLC QA99.P65 100 1 $aPolster, Burkard$061927 245 14$aThe shoelace book :$ba mathematical guide to the best (and worst) ways to lace your shoes /$cBurkard Polster 260 $aProvidence, RI :$bAmerican Mathematical Society,$c2006 300 $ax, 125 p. :$bill. ;$c26 cm 440 0$aMathematical world,$x1055-9426 ;$v24 504 $aIncludes bibliographical references and index 650 0$aMathematics$vMiscellanea 650 0$aCombinatorial optimization 650 0$aShoelaces$xMathematics 907 $a.b13430166$b19-10-06$c01-08-06 912 $a991001806629707536 945 $aLE013 00A POL21 (2006)$g1$i2013000203614$lle013$op$pE27.06$q-$rl$s- $t0$u2$v1$w2$x0$y.i14304569$z19-10-06 996 $aShoelace book$91097686 997 $aUNISALENTO 998 $ale013$b01-08-06$cm$da $e-$feng$griu$h4$i0