@article{JMAG_2002_9_2_a4,
     author = {I. Egorova},
     title = {The scattering problem for step-like {Jacobi} operator},
     journal = {\v{Z}urnal matemati\v{c}eskoj fiziki, analiza, geometrii},
     pages = {188--205},
     year = {2002},
     volume = {9},
     number = {2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JMAG_2002_9_2_a4/}
}