@inproceedings{f.1954linear, title={Linear relations between$E$-functions and Bessel functions}, author={F. M. Ragab}, url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203140606520799}, booktitle={Acta Mathematica}, volume={92}, number={1}, pages={1-11}, year={1954}, }