@article{GDZPPN002182173,
title = {On Laplace's second order linear differential equations and their equivalent H-R transform equations.},
journal = {Journal f\"ur die reine und angewandte Mathematik},
volume = {228},
year = {1967},
pages = {76-84},
zbl = {0146.11203},
url = {http://dml.mathdoc.fr/item/GDZPPN002182173}
}
Al-Bassam, M.A. On Laplace's second order linear differential equations and their equivalent H-R transform equations.. Journal für die reine und angewandte Mathematik, Tome 228 (1967) pp. 76-84. http://gdmltest.u-ga.fr/item/GDZPPN002182173/