@article{ZNSL_2017_463_a6,
     author = {A. E. Guterman and O. V. Markova},
     title = {Orthogonality graphs of matrices over skew fields},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {81--93},
     publisher = {mathdoc},
     volume = {463},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2017_463_a6/}
}