@article{GDZPPN002389401, title = {Recurrence Formulae for the E-functions.}, journal = {Mathematische Zeitschrift}, volume = {73}, year = {1960}, pages = {254-255}, zbl = {0091.06303}, url = {http://dml.mathdoc.fr/item/GDZPPN002389401} }
MacRobert, T.M. Recurrence Formulae for the E-functions.. Mathematische Zeitschrift, Tome 73 (1960) pp. 254-255. http://gdmltest.u-ga.fr/item/GDZPPN002389401/