%0 Journal Article %A N. K. Vardanyan %T On constant coefficient PDE systems and intersection multiplicities %J Proceedings of the Yerevan State University. Physical and mathematical sciences %D 2020 %P 108-114 %V 54 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/UZERU_2020_54_2_a4/ %G en %F UZERU_2020_54_2_a4