TY - JOUR AU - A. I. Basik AU - A. T. Uss TI - On Boundary Value Problems for First-Order Elliptic Pseudosymmetric Systems in $\mathbb R^4$ JO - Differencialʹnye uravneniâ PY - 2003 SP - 410 EP - 412 VL - 39 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_2003_39_3_a14/ LA - ru ID - DE_2003_39_3_a14 ER -