TY - JOUR T1 - Jedna problémová úloha pre vašich žiakov a jedna aj pre vás. One problem - Solving Task for Your Students and One also for You A1 - Hrkota, Klement JA - Obzory matematiky, fyziky a informatiky Y1 - 2010 VL - 39 IS - 3 SP - 39 EP - 40 SN - 1335-4981 N2 - The problem of swimming magnetic needle and coil with corresponding magnetic poles on its opposite ends. ER -