@article{FAA_1997_31_3_a8,
     author = {A. Yu. Konstantinov},
     title = {Spectral {Analysis} of {One} {Class} of {Matrix} {Differential} {Operators}},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {77--80},
     publisher = {mathdoc},
     volume = {31},
     number = {3},
     year = {1997},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1997_31_3_a8/}
}