Elliptic Quasi-variational inequalities and applications
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1.
Faculty of Economic Sciences, Hiroshima Shudo Univesity, 1-1-1 Ozukahigashi, Asaminami-ku, Hiroshima, 731-3195
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2.
School of engineering, Kinki University, 1 Takaya Umenobe, Higashi-Hiroshima City, Hiroshima, 739-2116
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3.
Department of Mathematics, Faculty of Education, Chiba University, 1-33 Yayoi-chō, Inage-ku, Chiba, 263–8522