%0 Journal Article %A A. F. Vakulenko %T On a variant of commutator estimates in spectral theory %J Zapiski Nauchnykh Seminarov POMI %D 1987 %P 29-36 %V 163 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1987_163_a2/ %G ru %F ZNSL_1987_163_a2