Muratbekov, M. and Muratbekov, M. 2019. On the bounded invertibility of a Schrödinger operator with a negative parameter in the space L2(Rn ). Bulletin of the Karaganda University. Mathematics Series. 93, 1 (Mar. 2019), 36–47. DOI:https://doi.org/10.31489/2019m1/36-47.