@article{AA_2013_25_5_a1,
     author = {A. M. Golovina},
     title = {On the spectrum of elliptic operators with distant perturbation in the space},
     journal = {Algebra i analiz},
     pages = {32--60},
     year = {2013},
     volume = {25},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_2013_25_5_a1/}
}