@article{FAA_2000_34_2_a5,
     author = {L. A. Sakhnovich},
     title = {Spectral {Theory} of a {Class} of {Canonical} {Differential} {Systems}},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {50--62},
     publisher = {mathdoc},
     volume = {34},
     number = {2},
     year = {2000},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_2000_34_2_a5/}
}