A. Baranov, H. Woracek:
"Stability of order and type under perturbation of the spectral measure";
Revista Matematica Iberoamericana, 35 (2019), 4.
http://dx.doi.org/10.4171/rmi/1076Electronic version of the publication:
https://publik.tuwien.ac.at/files/publik_284261.pdf