@article{IM2_1991_36_1_a5,
     author = {O. I. Bogoyavlenskii},
     title = {Breaking {solitons.~III}},
     journal = {Izvestiya. Mathematics },
     pages = {129--137},
     publisher = {mathdoc},
     volume = {36},
     number = {1},
     year = {1991},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1991_36_1_a5/}
}