@article{SM_1997_188_1_a5,
     author = {A. O. Smirnov},
     title = {On a class of elliptic potentials of {the~Dirac} operator},
     journal = {Sbornik. Mathematics},
     pages = {115--135},
     publisher = {mathdoc},
     volume = {188},
     number = {1},
     year = {1997},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1997_188_1_a5/}
}