Postovane kolege, u petak 20. decembra na Institutu za fiziku u sali 300, u 11 h, Luka Nenadovic ce odrzati drugi deo seminara pod naslovom "Illustration of de Rham theorem and examples of fiber bundle". Pozdrav Branislav -- Institute of Physics Belgrade Pregrevica 118, 11080 Belgrade, Serbia http://www.ipb.ac.rs/