G1 Blending B-Spline Surfaces and Optimization. - Bachir Belkhatir; Driss Sbibih; Ahmed Zidna (MCO, 2008)

Construction of flexible blending parametric surfaces via curves. - Bachir Belkhatir; Ahmed Zidna (Math. Comput. Simul., 2009)

Geometric continuity C1G2 of blending surfaces. - Abdelouahed Kouibia; Miguel Pasadas; Driss Sbibih; Ahmed Zidna; Bachir Belkhatir (Comput. Aided Des., 2013)