@article{SIGMA_2013_9_a66,
     author = {Harold Steinacker and Jochen Zahn},
     title = {An {Index} for {Intersecting} {Branes} in {Matrix} {Models}},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2013},
     volume = {9},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2013_9_a66/}
}