%0 Journal Article %A A. I. Basik %A A. T. Uss %T On Boundary Value Problems for First-Order Elliptic Pseudosymmetric Systems in $\mathbb R^4$ %J Differencialʹnye uravneniâ %D 2003 %P 410-412 %V 39 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_2003_39_3_a14/ %G ru %F DE_2003_39_3_a14