@article{SM_1985_51_1_a11,
     author = {B. R. Vainberg},
     title = {A~complete asymptotic expansion of the spectral function of second order elliptic operators in~$\mathbf R^n$},
     journal = {Sbornik. Mathematics},
     pages = {191--206},
     publisher = {mathdoc},
     volume = {51},
     number = {1},
     year = {1985},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1985_51_1_a11/}
}