@article{MZ_1973__135_172002,
     author = {Urs Stammbach and Inder Bir S. Passi},
     title = {A {Filtration} of {Schur} {Multiplicator.}},
     journal = {Mathematische Zeitschrift},
     pages = {143--148},
     publisher = {mathdoc},
     volume = {135},
     year = {1973},
     zbl = {0276.18015},
     url = {http://geodesic.mathdoc.fr/item/MZ_1973__135_172002/}
}