TY - JOUR AU - M. I. Belishev AU - T. L. Sheronova TI - The methods of the boundary control theory in inverse problem for unhomogeneous string JO - Zapiski Nauchnykh Seminarov POMI PY - 1990 SP - 37 EP - 49 VL - 186 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_1990_186_a4/ LA - ru ID - ZNSL_1990_186_a4 ER -