@article{CSIS_2011_8_3_a9,
     author = {Jianmin Zhang and Shengyu Shen and Jun Zhang and Sikun Li},
     title = {Extracting {Minimal} {Unsatisfiable} {Subformulas} in {Satisfiability} {Modulo} {Theories}},
     journal = {Computer Science and Information Systems},
     publisher = {mathdoc},
     volume = {8},
     number = {3},
     year = {2011},
     url = {http://geodesic.mathdoc.fr/item/CSIS_2011_8_3_a9/}
}