%0 Journal Article %A HUSSAIN, N. %T COMMENTS ON THE PAPERS ARCH. MATH. BRNO, 422006, 51-58 - THAI J. MATH., 32005, 63-70 AND MATH. COMMUNICATIONS 132008, 85-96 %J Journal of nonlinear sciences and its applications %D 2009 %P 168-173 %V 2 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.22436/jnsa.002.03.04/ %R 10.22436/jnsa.002.03.04 %G en %F JNSA_2009_2_3_a3