Dokl. Akad. Nauk, 1996 Volume 349, Number 2,Pages 159–161(Mi dan4069)
MATHEMATICS
An estimate, accurate to within a constant factor and uniform in $\mathbb{R}^N$ for $N=2$ and $N=3$, of the increment of the spectral function with respect to the spectral parameter for a Schrödinger operator with a potential satisfying the Kato condition when the spectral function is taken on the diagonal