TY - JOUR AU - Rivertz, Hans Jakob TI - On those ordinary differential equations that are solved exactly by the improved Euler method JO - Archivum mathematicum PY - 2013 SP - 29 EP - 34 VL - 49 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.5817/AM2013-1-29/ DO - 10.5817/AM2013-1-29 LA - en ID - 10_5817_AM2013_1_29 ER -