%0 Journal Article %A Matejíčka, Ladislav %T Proof of one open inequality %J Journal of nonlinear sciences and its applications %D 2014 %P 51-62 %V 7 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.22436/jnsa.007.01.06/ %R 10.22436/jnsa.007.01.06 %G en %F JNSA_2014_7_1_a5