@article{DE_1990_26_2_a14,
     author = {M. M. Sirazhudinov},
     title = {$G$-compactness of a class of first-order elliptic systems},
     journal = {Differencialʹnye uravneni\^a},
     pages = {298--305},
     publisher = {mathdoc},
     volume = {26},
     number = {2},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1990_26_2_a14/}
}