%0 Journal Article %A N. A. Kolegov %A O. V. Markova %T The lengths of matrix incidence algebras over small finite fields %J Zapiski Nauchnykh Seminarov POMI %D 2021 %P 102-135 %V 504 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2021_504_a6/ %G ru %F ZNSL_2021_504_a6