@article{ZNSL_2019_482_a15,
     author = {A. M. Maksaev},
     title = {Maps that strongly preserve $\lambda$-scrambling matrices},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {231--243},
     publisher = {mathdoc},
     volume = {482},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2019_482_a15/}
}