@article{IM2_1985_24_1_a1,
     author = {S. M. Kozlov},
     title = {Multidimensional spectral asymptotics for elliptic operators in a~bounded domain},
     journal = {Izvestiya. Mathematics },
     pages = {49--71},
     publisher = {mathdoc},
     volume = {24},
     number = {1},
     year = {1985},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1985_24_1_a1/}
}