The European Physical Journal Applied Physics

As this article doesn't contain an abstract, the image below is necessary to enable the article to be indexed by certain search engines. The resolution of the full-text PDF is much higher than that shown here.

Instrumentation and Metrology

Comment on “A dynamical model for investigation of A3 point maximal spatial evolution during resistance spot welding using Boubaker polynomials” by S. Slama, J. Bessrour, K. Boubaker and M. Bouhafs   On the higher order derivatives of the 4q-Boubaker polynomials

D. H. Zhang

Department of Physics, South China University, Guangzhou, 510642, P.R. China

(Received December 22 2009)

(Accepted January 25 2010)

(Online publication February 26 2010)