TY - JOUR AU - Obrecht, Enrico TI - Evolution operators for higher order abstract parabolic equations JO - Czechoslovak Mathematical Journal PY - 1986 SP - 210 EP - 222 VL - 36 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1986.102085/ DO - 10.21136/CMJ.1986.102085 LA - en ID - 10_21136_CMJ_1986_102085 ER -