@article{TM_2018_302_a11,
     author = {R. Ch. Kulaev and A. K. Pogrebkov and A. B. Shabat},
     title = {Darboux system: {Liouville} reduction and an explicit solution},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {268--286},
     publisher = {mathdoc},
     volume = {302},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_2018_302_a11/}
}