@article{SM_1973_20_2_a4,
     author = {G. Khainig},
     title = {On~the inversion and on the spectrum of {Wiener--Hopf} matrix operators},
     journal = {Sbornik. Mathematics},
     pages = {267--281},
     publisher = {mathdoc},
     volume = {20},
     number = {2},
     year = {1973},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1973_20_2_a4/}
}