%0 Journal Article %A Rivertz, Hans Jakob %T On those ordinary differential equations that are solved exactly by the improved Euler method %J Archivum mathematicum %D 2013 %P 29-34 %V 49 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.5817/AM2013-1-29/ %R 10.5817/AM2013-1-29 %G en %F 10_5817_AM2013_1_29