%0 Journal Article %A A. N. Zemlyakov %T Elective Course “Calculus of Reality". Differential Equations as Mathematical Models of Real Processes. Methodical and Methodological Comments %J Matematičeskoe obrazovanie %D 2004 %P 55-86 %N 2 %U http://geodesic.mathdoc.fr/item/MO_2004_2_a4/ %G ru %F MO_2004_2_a4