TY - JOUR AU - V. V. Dubrovskii AU - V. V. Raspopov TI - An Approximate Regularized Trace Formula for an Ordinary Fourth-Order Differential Operator JO - Differencialʹnye uravneniâ PY - 2002 SP - 979 EP - 981 VL - 38 IS - 7 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_2002_38_7_a16/ LA - ru ID - DE_2002_38_7_a16 ER -