%0 Journal Article %A Cirtoaje, Vasile %T Necessary and sucient conditions for symmetric homogeneous polynomial inequalities of degree four and six in real variables %J Journal of nonlinear sciences and its applications %D 2012 %P 307-320 %V 5 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.22436/jnsa.005.05.01/ %R 10.22436/jnsa.005.05.01 %G en %F JNSA_2012_5_5_a0