@article{RM_2014_69_5_a5,
     author = {P. G. Grinevich and S. P. Novikov},
     title = {Spectrally meromorphic operators and non-linear systems},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {924--926},
     publisher = {mathdoc},
     volume = {69},
     number = {5},
     year = {2014},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_2014_69_5_a5/}
}