TY - JOUR AU - Kimimasa Nishiwada TI - Constant Coefficient Differential Operators with Slowly Spreading Solutions. JO - Mathematische Annalen PY - 1979 SP - 101 EP - 116 VL - 245 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MAN_1979__245_163313/ ID - MAN_1979__245_163313 ER -