@article{bwmeta1.element.zamlynska-72c0a2a1-3516-449f-a748-89e27fa61491,
author = {Marek Burnat and Jan Herczy\'nski and Bogdan Zawisza},
title = {Perturbation properties of the spectrum of periodic Schr\"odinger operators},
journal = {Banach Center Publications},
volume = {19},
year = {1987},
pages = {49-58},
zbl = {0647.35016},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.zamlynska-72c0a2a1-3516-449f-a748-89e27fa61491}
}
Marek Burnat; Jan Herczyński; Bogdan Zawisza. Perturbation properties of the spectrum of periodic Schrödinger operators. Banach Center Publications, Tome 19 (1987) pp. 49-58. http://gdmltest.u-ga.fr/item/bwmeta1.element.zamlynska-72c0a2a1-3516-449f-a748-89e27fa61491/