BibTex format
@article{Laptev:2021:10.1080/17476933.2020.1833869,
author = {Laptev, A},
doi = {10.1080/17476933.2020.1833869},
journal = {Complex Variables and Elliptic Equations: an international journal},
pages = {1100--1107},
title = {On factorisation of a class of Schrodinger operators},
url = {http://dx.doi.org/10.1080/17476933.2020.1833869},
volume = {66},
year = {2021}
}