TY - JOUR AU - Erik Balslev TI - The Singular Spectrum of Elliptic Differential Operators in Lp (Rn). JO - Mathematica Scandinavica PY - 1966 SP - 193 EP - 210 VL - 19 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MS2_1966__19_165970/ ID - MS2_1966__19_165970 ER -