%0 Journal Article %A Asaduzzaman, Md. %A Ali, Md. Zulfikar %T On the symmetric positive solutions of nonlinear fourth order ordinary differential equations with four-point boundary value conditions: a fixed point theory approach %J Journal of nonlinear sciences and its applications %D 2020 %P 364-377 %V 13 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.22436/jnsa.013.06.06/ %R 10.22436/jnsa.013.06.06 %G en %F JNSA_2020_13_6_a5