TY - JOUR AU - A. N. Zemlyakov TI - Elective Course “Calculus of Reality". Differential Equations as Mathematical Models of Real Processes. Chapter 2 JO - Matematičeskoe obrazovanie PY - 2005 SP - 9 EP - 65 IS - 1 UR - http://geodesic.mathdoc.fr/item/MO_2005_1_a2/ LA - ru ID - MO_2005_1_a2 ER -