@article{DAN_1995_343_1_a5,
     author = {M. M. Sirazhudinov},
     title = {New problems for general elliptic systems in the plane},
     journal = {Doklady Akademii Nauk},
     pages = {19--21},
     publisher = {mathdoc},
     volume = {343},
     number = {1},
     year = {1995},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1995_343_1_a5/}
}