@article{ASENS_1971_4_4_3_393_0, author = {Verma, Daya-Nand}, title = {M\"obius inversion for the Bruhat ordering on a Weyl group}, journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure}, pages = {393--398}, publisher = {Elsevier}, volume = {Ser. 4, 4}, number = {3}, year = {1971}, doi = {10.24033/asens.1215}, zbl = {0236.20035}, mrnumber = {45 \#139}, language = {en}, url = {www.numdam.org/item/ASENS_1971_4_4_3_393_0/} }
Verma, Daya-Nand. Möbius inversion for the Bruhat ordering on a Weyl group. Annales scientifiques de l'École Normale Supérieure, Série 4, Tome 4 (1971) no. 3, pp. 393-398. doi : 10.24033/asens.1215. http://www.numdam.org/item/ASENS_1971_4_4_3_393_0/
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