%0 Journal Article %A Porubský, Š. %A Szymiczek, K. %T The 3rd Czech and Polish Conference on Number Theory. Problem session %J Communications in Mathematics %D 2000 %P 7-10 %V 08 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/COMIM_2000__8_1_a0/ %G en %F COMIM_2000__8_1_a0