@article{IM2_1997_61_5_a5,
     author = {M. M. Sirazhudinov},
     title = {Boundary-value problems for general elliptic systems in the plane},
     journal = {Izvestiya. Mathematics },
     pages = {1031--1068},
     publisher = {mathdoc},
     volume = {61},
     number = {5},
     year = {1997},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1997_61_5_a5/}
}