TY - JOUR AU - V. E. Volkov AU - I. Jo TI - Estimation of the difference of partial sums of spectral decompositions corresponding to two Schrödinger operators JO - Differencialʹnye uravneniâ PY - 1986 SP - 1865 EP - 1876 VL - 22 IS - 11 UR - http://geodesic.mathdoc.fr/item/DE_1986_22_11_a2/ LA - ru ID - DE_1986_22_11_a2 ER -