[Haskell] Power series in a nutshell

[jerzy.karczmarczuk at info.unicaen.fr]

Derek Elkins writes: 

> Doug McIlroy wrote: 
>> For lovers of things small and beautiful,
>> http://www.cs.dartmouth.edu/~doug/powser.html
...
> and a link to your earlier Functional Pearl,
> http://citeseer.ist.psu.edu/mcilroy98power.html

If somebody is interested in similar manipulations, sometimes a bit
more involved, there is a paper (sorry for shameless auto-ad) published
more that 10 years ago, copy here:
http://users.info.unicaen.fr/~karczma/arpap/lazysem.pdf 

Jerzy Karczmarczuk