@article{03764243, title = {Bounded index, entire solutions of ordinary differential equations and summability methods.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {4}, year = {1981}, pages = {417-434}, doi = {10.1155/S016117128100029X}, zbl = {0486.30017}, language = {en}, url = {http://dml.mathdoc.fr/item/03764243} }
Fricke, G.H.; Roy, Ranjan; Shah, S.M. Bounded index, entire solutions of ordinary differential equations and summability methods.. International Journal of Mathematics and Mathematical Sciences, Tome 4 (1981) pp. 417-434. doi : 10.1155/S016117128100029X. http://gdmltest.u-ga.fr/item/03764243/