%0 Journal Article %A V. G. Zhuravlev %T Fractional-matrix invariance of Diophantine systems of linear forms %J Zapiski Nauchnykh Seminarov POMI %D 2021 %P 5-31 %V 502 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2021_502_a0/ %G ru %F ZNSL_2021_502_a0