relation: http://acta.bibl.u-szeged.hu/35929/ title: Approximate controllability for second order nonlinear evolution hemivariational inequalities creator: Li Xiuwen creator: Liu Zhenhai creator: Migórski Stanisław date: 2015 type: Folyóirat type: NonPeerReviewed format: part language: hu identifier: http://acta.bibl.u-szeged.hu/35929/1/ejqtde_2015_100_001-016.pdf identifier: Li Xiuwen; Liu Zhenhai; Migórski Stanisław: Approximate controllability for second order nonlinear evolution hemivariational inequalities. (2015) language: eng