TY - JOUR AU - L. A. Chudov TI - Determining a symmetric operator with defect indices $(1,1)$ by the spectra of two self-adjoint extensions JO - Uchenye Zapiski Moskovskogo Gosudarstvennogo Universiteta PY - 1959 SP - 137 EP - 139 VL - 186 IS - 186 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/UZMU_1959_186_186_a7/ LA - ru ID - UZMU_1959_186_186_a7 ER -