Dear Dušan, You can also find an algorithm in everyone's favourite book in combinatorial logic "To Mock a Mockingbird" (http://en.wikipedia.org/wiki/To_Mock_a_Mockingbird).
Cheers, Matthias. _______________________________________________ Haskell-Cafe mailing list [email protected] http://www.haskell.org/mailman/listinfo/haskell-cafe
