@article{PFMT_2017_4_a5,
     author = {A. B. Antonevich and M. G. Kot},
     title = {Normalized form and resonances of matrix-valued functions of two variables},
     journal = {Problemy fiziki, matematiki i tehniki},
     pages = {33--39},
     publisher = {mathdoc},
     number = {4},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/PFMT_2017_4_a5/}
}