A Vander Corput Type Lemma for Oscillatory Integrals with Hölder Amplitudes and its Applications

H. Al-Qassem, L. Cheng, and Y. Pan
J. Korean Math. Soc. 58 (2021), No. 2, pp. 487--499.

Generalized Littlewood-Paley Functions on Product Spaces

H. Al-Qassem, L. Cheng, and Y. Pan
Turk J. Math. (2021) 45: 319 -- 345.

L^{p} bounds for the function of Marcinkiewicz

A. Al-Salman, H. Al-Qassem, L. Cheng and Y. Pan,
Math. Res. Lett. 9 (2002), 697--700