@article{DE_1993_29_1_a19,
     author = {V. Ya. Yakubov},
     title = {A {Dirac-type} system with variable coefficients},
     journal = {Differencialʹnye uravneni\^a},
     pages = {156--164},
     publisher = {mathdoc},
     volume = {29},
     number = {1},
     year = {1993},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1993_29_1_a19/}
}