%0 Journal Article %T An affirmative answer to a problem posed by Zalinescu %A Liangjin Yao %J Mathematics %D 2009 %I arXiv %X Recently, in [5] Zalinescu posed a question about the characterization of the intrinsic core of the Minkowski sum of two graphs associated with two maximal monotone operators. In this note we give an affirmative answer. %U http://arxiv.org/abs/0911.2001v1