@article{KUKZ_1987_23_23_a3,
     author = {S. G. Amirkhanova and L. N. Zhurbenko},
     title = {A boundary value problem with a parameter $x$ for an elliptic first-order system},
     journal = {Trudy seminara po kraevym zada\v{c}am},
     pages = {37--45},
     publisher = {mathdoc},
     volume = {23},
     number = {23},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KUKZ_1987_23_23_a3/}
}