%0 Journal Article %A Zaidman, S. %T Some remarks concerning regularity of solutions for abstract differential equations %J Rendiconti del Seminario Matematico della Università di Padova %D 1980 %P 47-64 %V 62 %I Seminario Matematico of the University of Padua %U http://www.numdam.org/item/RSMUP_1980__62__47_0/ %G en %F RSMUP_1980__62__47_0