Orthogonal projection in a uniformly convex Banach spaces / Dominik MIELCZAREK, Ewa SZLACHTOWSKA // W: 9th Workshop on Functional analysis and its applications in mathematical physics and optimal control : September 9–14, 2013, Nemecká, Slovak Republic : proceedings / eds. Michal Zajac, Igor Bock ; Slovak University of Technology in Bratislava. Faculty of Electrical Engineering and Information Technology. Institute of Computer Science and Mathematics. — [Bratislava : STU], [2013]. — ISBN: 978-80-227-4030-2. — S. 35–38. — Bibliogr. s. 38, Abstr.. — Toż w wersji elektronicznej: {http://matika.elf.stuba.sk/KMAT/9thWFA?action=AttachFile=get=D.+Mielczarek%2C+E.+Szlachtowska.pdf} [2013-10-16]