@article{ZNSL_2022_514_a8,
     author = {O. V. Markova and D. Yu. Novochadov},
     title = {Orthogonality graphs of direct sums of rings and semisimple {Artinian} rings},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {138--166},
     publisher = {mathdoc},
     volume = {514},
     year = {2022},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2022_514_a8/}
}