[Wideskies paper]({{ site.baseurl }}/papers/wideskies_paper.pdf), the paper documenting the original algorithm behind Pirk.
[Wideskies slide deck]({{ site.baseurl }}/papers/math_deck.pdf), a slightly gentler discussion of the mathematics of Wideskies, with a few abstract examples and one concrete example.
[Paillier homomorphic encryption]({{ site.baseurl }}/papers/1999_asiacrypt_paillier_paper.pdf), Paillier's original paper on the encryption scheme that underpins Wideskies.