%0 Journal Article %A Rašajski, Marija %A Lutovac, Tatjana %A Malešević, Branko %T Sharpening and generalizations of Shafer-Fink and Wilker type inequalities: a new approach %J Journal of nonlinear sciences and its applications %D 2018 %P 885-893 %V 11 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.22436/jnsa.011.07.02/ %R 10.22436/jnsa.011.07.02 %G en %F JNSA_2018_11_7_a1