BibTex format
@article{Laptev:2017,
author = {Laptev, A and Ashbaugh, M and Gesztesy, F and Mitrea, M and Sukhtaiev, S},
journal = {Advances in Mathematics},
title = {A bound for the eigenvalue counting function for Krein-von Neumann and Friedrichs},
url = {http://hdl.handle.net/10044/1/58656},
year = {2017}
}