@article{CMFD_2018_64_1_a5,
     author = {V. P. Lexin},
     title = {Schlesinger's equations for upper triangular matrices and their solutions},
     journal = {Contemporary Mathematics. Fundamental Directions},
     pages = {86--97},
     publisher = {mathdoc},
     volume = {64},
     number = {1},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/CMFD_2018_64_1_a5/}
}