00311nam a2200097Ia 4500008004100000100003100041245004700072245003200119260000900151856005300160160531s9999 xx 000 0 und d aVejdemo-Johansson, Mikael. aCategory Theory and Functional Programming cby Mikael Vejdemo-Johansson c2012 uhttps://wiki.haskell.org/User:Michiexile/MATH198