@article{TMF_2023_216_2_a4,
     author = {G. F. Helminck},
     title = {Cauchy problems related to integrable matrix hierarchies},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {251--270},
     publisher = {mathdoc},
     volume = {216},
     number = {2},
     year = {2023},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2023_216_2_a4/}
}