%0 Journal Article %A E. I. Nikol'skaya %T An estimate for the difference of partial sums of spectral expansions of an absolutely continuous function that correspond to two one-dimensional Schr\"odinger operators with complex-valued potentials in the class $L_p$, for $p>1$ %J Differencialʹnye uravneniâ %D 1993 %P 118-127 %V 29 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1993_29_1_a15/ %G ru %F DE_1993_29_1_a15