@article{MS2_1982__51_166806,
     author = {Stephen Donkin},
     title = {A note on the characters of the projective modules for the infinitesimal subgroups of a semisimple algebraic group.},
     journal = {Mathematica Scandinavica},
     pages = {142--150},
     publisher = {mathdoc},
     volume = {51},
     year = {1982},
     zbl = {0499.20026},
     url = {http://geodesic.mathdoc.fr/item/MS2_1982__51_166806/}
}