TY - JOUR T1 - F. Gahér, V. Marko, Method, Problem, and Task JF - Organon F Y1 - 2018 A1 - Kollárik, Tomáš IS - 1 VL - 25 SP - 126-131 UR - http://www.klemens.sav.sk/fiusav/doc/organon/2018/1/126-131.pdf U2 - Reviews U3 - 126131 TI - F. Gahér, V. Marko, Method, Problem, and Task ER -