TY - JOUR AU - Hetzer, Georg TI - Forced periodic oscillations in the climate system via an energy balance model JO - Commentationes Mathematicae Universitatis Carolinae PY - 1987 SP - 593 EP - 601 VL - 28 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMUC_1987__28_4_a0/ LA - en ID - CMUC_1987__28_4_a0 ER -