BibTex format
@article{Frank:2016:jlms/jdw039,
author = {Frank, RL and Laptev, A and Safronov, O},
doi = {jlms/jdw039},
journal = {Journal of the London Mathematical Society},
pages = {377--390},
title = {On the number of eigenvalues of Schrödinger operators with complex potentials},
url = {http://dx.doi.org/10.1112/jlms/jdw039},
volume = {94},
year = {2016}
}