%0 Journal Article %A V. A. Vinokurov %T Explicit solution of a linear ordinary differential equation and a basic property of the exponential function %J Differencialʹnye uravneniâ %D 1997 %P 302-308 %V 33 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1997_33_3_a2/ %G ru %F DE_1997_33_3_a2