@article{01750379,
title = {Description of the structure of singular spectrum for Friedrichs model operators near singular point.},
journal = {International Journal of Mathematics and Mathematical Sciences},
volume = {25},
year = {2001},
pages = {25-40},
doi = {10.1155/S0161171201011668},
zbl = {1040.47003},
language = {en},
url = {http://dml.mathdoc.fr/item/01750379}
}
Iakovlev, Sergui I. Description of the structure of singular spectrum for Friedrichs model operators near singular point.. International Journal of Mathematics and Mathematical Sciences, Tome 25 (2001) pp. 25-40. doi : 10.1155/S0161171201011668. http://gdmltest.u-ga.fr/item/01750379/