TY - JOUR T1 - A note on the paper \\\"Optimizing improved Hardy inequalities\\\" by S. Filippas and A. Tertikas JF - J. Funct. Anal. 256 (2009) 2741-2745 Y1 - 2009 A1 - Roberta Musina UR - http://hdl.handle.net/1963/2698 U1 - 1402 U2 - Mathematics U3 - Functional Analysis and Applications ER -