@article{VMUMM_1985_5_a1,
     author = {V. P. Serebryakov},
     title = {The spectrum of a discrete {Sturm-Liouville} operator with matrix coefficients},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {10--15},
     publisher = {mathdoc},
     number = {5},
     year = {1985},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1985_5_a1/}
}