Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MZ_1930__31_168165, author = {I. J. Schwatt}, title = {Expressions for the {Euler} numbers obtained by expanding sec x by means of {Maclaurins} {Theorem}}, journal = {Mathematische Zeitschrift}, pages = {151--158}, publisher = {mathdoc}, volume = {31}, year = {1930}, zbl = {55.0135.01}, url = {http://geodesic.mathdoc.fr/item/MZ_1930__31_168165/} }
I. J. Schwatt. Expressions for the Euler numbers obtained by expanding sec x by means of Maclaurins Theorem. Mathematische Zeitschrift, Tome 31 (1930), pp. 151-158. http://geodesic.mathdoc.fr/item/MZ_1930__31_168165/