@article{RM_2017_72_6_a1,
     author = {P. G. Grinevich and S. P. Novikov},
     title = {Singular solitons and spectral meromorphy},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {1083--1107},
     publisher = {mathdoc},
     volume = {72},
     number = {6},
     year = {2017},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_2017_72_6_a1/}
}