%0 Journal Article
%A Drábek, Pavel
%T Two notions which affected nonlinear analysis (Bernard Bolzano lecture)
%J Mathematica Bohemica
%D 2014
%P 699-711
%V 139
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.21136/MB.2014.144146/
%R 10.21136/MB.2014.144146
%G en
%F 10_21136_MB_2014_144146