Addendum and corrigendum to the paper "Some applications of Zygmund's lemma to non-linear differential equations in Banach and Hilbert spaces" (Studia Math., 44 (1972), pp. 335-344)
Tom 44 / 1972
Studia Mathematica 44 (1972), 649-650
DOI: 10.4064/sm-44-6-649-650
