TY - JOUR AU - D. A. Tursunov TI - Asymptotic expansion of the solution of a singularly perturbed ordinary second-order differential equation with two turning points JO - Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mehanika PY - 2013 SP - 34 EP - 40 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VTGU_2013_1_a4/ LA - ru ID - VTGU_2013_1_a4 ER -