@article{GDZPPN002030438, title = {A class of hypertranscendental functions.}, journal = {Aequationes mathematicae}, volume = {15}, year = {1977}, pages = {93-106}, zbl = {0384.10014}, url = {http://dml.mathdoc.fr/item/GDZPPN002030438} }
Loxton, J.H.; Poorten, A.J. van der. A class of hypertranscendental functions.. Aequationes mathematicae, Tome 15 (1977) pp. 93-106. http://gdmltest.u-ga.fr/item/GDZPPN002030438/