%0 Journal Article %A V. P. Elizarov %T Simplification methods for systems of linear equations over modules.~I %J Trudy po diskretnoj matematike %D 2003 %P 56-74 %V 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/TDM_2003_7_a3/ %G ru %F TDM_2003_7_a3