Ahmad, I. 2026. REPRESENTATION THEOREM FOR QUATERNIONIC HARDY SPACES VIA SLICE HYPERHOLOMORPHIC FUNCTIONS. Journal of Nonlinear Analysis and Optimization: Theory & Applications (JNAO). 17, 1 (Jul. 2026), 1–15. DOI:https://doi.org/10.69650/jnao.2026.17.1.4144.