Riesz summability of multiple Hermite series in Lp spaces. G.E. Karadzhov — 1995 Mathematische Zeitschrift
Localization and summability of multiple Hermite series. Karadzhov, G.E.; El-Adad, E.E. — 1997 International Journal of Mathematics and Mathematical Sciences
Exponentially slow traveling waves on a finite interval for Burger's type equation. de Groen, P.P.N.; Karadzhov, G.E. — 1998 Electronic Journal of Differential Equations (EJDE) [electronic only]