@article{05038323,
title = {Power series techniques for a special Schr\"odinger operator and related difference equations.},
journal = {Advances in Difference Equations [electronic only]},
volume = {2005},
year = {2005},
pages = {109-118},
doi = {10.1155/ADE.2005.109},
zbl = {1115.34002},
language = {en},
url = {http://dml.mathdoc.fr/item/05038323}
}
Simon, Moritz; Ruffing, Andreas. Power series techniques for a special Schrödinger operator and related difference equations.. Advances in Difference Equations [electronic only], Tome 2005 (2005) pp. 109-118. doi : 10.1155/ADE.2005.109. http://gdmltest.u-ga.fr/item/05038323/