@article{EMJ_2011_2_1_a8,
     author = {V. I. Burenkov and M. Otelbaev},
     title = {On the singular numbers of correct restrictions of non-selfadjoint elliptic differential operators},
     journal = {Eurasian mathematical journal},
     pages = {145--148},
     publisher = {mathdoc},
     volume = {2},
     number = {1},
     year = {2011},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EMJ_2011_2_1_a8/}
}