@article{JEMS_2012_14_4_a3,
     author = {Yucai Su and Ruibin Zhang},
     title = {Generalised {Jantzen} filtration of {Lie} superalgebras {I}},
     journal = {Journal of the European Mathematical Society},
     pages = {1103--1133},
     publisher = {mathdoc},
     volume = {14},
     number = {4},
     year = {2012},
     doi = {10.4171/jems/328},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/jems/328/}
}