@article{ZNSL_1985_145_a9,
     author = {P. P. Kulish},
     title = {Integrable graded magnets},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {140--163},
     publisher = {mathdoc},
     volume = {145},
     year = {1985},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1985_145_a9/}
}