@article{TRSPY_2021_313_a22,
     author = {Ekaterina A. Turilova and Jan Hamhalter},
     title = {Spectral {Order} for {Jordan} {Triples}},
     journal = {Informatics and Automation},
     pages = {275--279},
     year = {2021},
     volume = {313},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_2021_313_a22/}
}