@article{RM_2002_57_5_a0,
     author = {M. S. Agranovich},
     title = {Spectral problems for second-order strongly elliptic systems in smooth and non-smooth domains},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {847--920},
     publisher = {mathdoc},
     volume = {57},
     number = {5},
     year = {2002},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_2002_57_5_a0/}
}