Geometric Methods in Physics XXXI Workshop, Białowieża, Poland, June 24–30, 2012 - Kielanowski, Piotr; Ali, S. Twareque; Odesskii, Alexander; Odzijewicz, Anatol; Schlichenmaier, Martin; Voronov, Theodore (Springer Basel : Imprint: Birkhäuser, 2013)