@article{IM2_1973_7_6_a6,
     author = {B. A. Plamenevskii},
     title = {On the asymptotic behavior of solutions of quasielliptic differential equations with operator coefficients},
     journal = {Izvestiya. Mathematics },
     pages = {1327--1370},
     publisher = {mathdoc},
     volume = {7},
     number = {6},
     year = {1973},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1973_7_6_a6/}
}