TY - JOUR AU - A. N. Zemlyakov TI - Elective Course “Calculus of Reality". Differential Equations as Mathematical Models of Real Processes. Methodical and Methodological Comments JO - Matematičeskoe obrazovanie PY - 2004 SP - 55 EP - 86 IS - 2 UR - http://geodesic.mathdoc.fr/item/MO_2004_2_a4/ LA - ru ID - MO_2004_2_a4 ER -