TY - JOUR AU - Bolley, Pierre AU - Camus, Jacques TI - Powers and Gevrey's regularity for a system of differential operators JO - Czechoslovak Mathematical Journal PY - 1979 SP - 649 EP - 661 VL - 29 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1979.101644/ DO - 10.21136/CMJ.1979.101644 LA - en ID - 10_21136_CMJ_1979_101644 ER -