@article{ZNSL_2000_269_a6,
     author = {M. V. Babich},
     title = {Symmetries of the 4-matrices {Schlesinger} system},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {92--108},
     publisher = {mathdoc},
     volume = {269},
     year = {2000},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2000_269_a6/}
}