@article{SIGMA_2019_15_a49,
     author = {Leonid Golinskii and Anton Kutsenko},
     title = {On {Direct} {Integral} {Expansion} for {Periodic} {Block-Operator} {Jacobi} {Matrices} and {Applications}},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2019},
     volume = {15},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2019_15_a49/}
}