ESTIMATES FOR CONTINUITY ENVELOPES AND APPROXIMATION NUMBERS OF GENERALIZED BESSEL POTENTIALS OVER LORENTZ SPACE Статья Alkhalil N.H. Annals of the Romanian Society for Cell Biology. Universitatea de Vest Vasile Goldis din Arad. Том 25. 2021. С. 1201-1206
ON SPECTRAL DECOMPOSITION OF GENERALIZED BESSEL POTENTIALS Статья Goldman M.L., Alkhalil N.H. Достижения в области системных наук и приложений. International Institute for General Systems Studies. Том 21. 2021. С. 22-30
MODULUS OF CONTINUITY FOR BESSEL TYPE POTENIIAL OVER LORENTZ SPACE Статья Alkhalil N.H. Eurasian Mathematical Journal. Eurasian Mathematical Journal. Том 12. 2021. С. 1-18