TY - JOUR AU - A. Yu. Levin TI - A~criterion for absolute disconjugate stability for $n$th-order equations JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1988 SP - 244 EP - 245 VL - 43 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1988_43_5_a23/ LA - en ID - RM_1988_43_5_a23 ER -