TY - JOUR AU - R. F. Efendiev TI - The inverse problem for a class of ordinary differential operators with periodic coefficients JO - Žurnal matematičeskoj fiziki, analiza, geometrii PY - 2004 SP - 114 EP - 121 VL - 11 IS - 1 UR - http://geodesic.mathdoc.fr/item/JMAG_2004_11_1_a6/ LA - ru ID - JMAG_2004_11_1_a6 ER -