@article{ZNSL_2021_504_a10,
     author = {P. M. Shteyner},
     title = {Linear operators preserving combinatorial matrix sets},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {181--199},
     publisher = {mathdoc},
     volume = {504},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2021_504_a10/}
}