@article{ARM_2011__47_2_a0,
     author = {Han, Yingbo and Feng, Shuxiang},
     title = {The first eigenvalue of spacelike submanifolds in indefinite space form $R^{n+p}_p$},
     journal = {Archivum mathematicum},
     pages = {77--82},
     publisher = {mathdoc},
     volume = {47},
     number = {2},
     year = {2011},
     mrnumber = {2813533},
     zbl = {1249.53076},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ARM_2011__47_2_a0/}
}