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@article{MZ_1991__207_2_174285, author = {Zongzhu Lin}, title = {Extensions between simple modules for {Frobenius} kernels.}, journal = {Mathematische Zeitschrift}, pages = {485--500}, publisher = {mathdoc}, volume = {207}, number = {2}, year = {1991}, zbl = {0810.20035}, url = {http://geodesic.mathdoc.fr/item/MZ_1991__207_2_174285/} }
Zongzhu Lin. Extensions between simple modules for Frobenius kernels.. Mathematische Zeitschrift, Tome 207 (1991) no. 2, pp. 485-500. http://geodesic.mathdoc.fr/item/MZ_1991__207_2_174285/