@article{ZNSL_2009_366_a1,
     author = {M. F. Gamal'},
     title = {On contractions with compact defects},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {13--41},
     year = {2009},
     volume = {366},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2009_366_a1/}
}