@article{IVM_2000_3_a8,
     author = {V. P. Serebryakov},
     title = {On the deficiency index of second-order matrix differential operators with rapidly oscillating coefficients},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {48--53},
     publisher = {mathdoc},
     number = {3},
     year = {2000},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2000_3_a8/}
}