%0 Journal Article %A A. O. Smirnov %T On a class of elliptic potentials of the Dirac operator %J Sbornik. Mathematics %D 1997 %P 115-135 %V 188 %N 1 %U http://geodesic.mathdoc.fr/item/SM_1997_188_1_a5/ %G en %F SM_1997_188_1_a5