Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1966_166_5_a12, author = {I. S. Sargsyan}, title = {The asymptotic behavior of the spectral matrix of a one-dimensional {Dirac} system}, journal = {Doklady Akademii Nauk}, pages = {1058--1061}, publisher = {mathdoc}, volume = {166}, number = {5}, year = {1966}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1966_166_5_a12/} }
I. S. Sargsyan. The asymptotic behavior of the spectral matrix of a one-dimensional Dirac system. Doklady Akademii Nauk, Tome 166 (1966) no. 5, pp. 1058-1061. http://geodesic.mathdoc.fr/item/DAN_1966_166_5_a12/