TY - JOUR AU - A. N. Zemlyakov TI - Elective Course ``Calculus of Reality". Differential Equations as Mathematical Models of Real Processes. Chapter 1 JO - Matematičeskoe obrazovanie PY - 2004 SP - 19 EP - 55 VL - 31 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MO_2004_31_4_a1/ LA - ru ID - MO_2004_31_4_a1 ER -