@article{1195515120, author = {Kodama, Tetsuo}, title = {On the rank of Hasse-Witt matrix}, journal = {Proc. Japan Acad. Ser. A Math. Sci.}, volume = {60}, number = {1}, year = {1984}, pages = { 165-167}, language = {en}, url = {http://dml.mathdoc.fr/item/1195515120} }
Kodama, Tetsuo. On the rank of Hasse-Witt matrix. Proc. Japan Acad. Ser. A Math. Sci., Tome 60 (1984) no. 1, pp. 165-167. http://gdmltest.u-ga.fr/item/1195515120/