TY - JOUR AU - L. GÄrding TI - On the asymptotic properties of the spectral function belonging to a self-adjoint semi-bounded extension of an elliptic differential operator JO - Matematika PY - 1957 SP - 117 EP - 132 VL - 1 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MAT_1957_1_3_a5/ LA - ru ID - MAT_1957_1_3_a5 ER -