Lu, W., Zhang, L. (2012). Direct and inverse theorems for Bernstein polynomials with inner singularities. test, 20(3), 172-178. doi: org/10.1016/j.joems.2012.08.015
Wen-ming Lu; Lin Zhang. "Direct and inverse theorems for Bernstein polynomials with inner singularities". test, 20, 3, 2012, 172-178. doi: org/10.1016/j.joems.2012.08.015
Lu, W., Zhang, L. (2012). 'Direct and inverse theorems for Bernstein polynomials with inner singularities', test, 20(3), pp. 172-178. doi: org/10.1016/j.joems.2012.08.015
Lu, W., Zhang, L. Direct and inverse theorems for Bernstein polynomials with inner singularities. test, 2012; 20(3): 172-178. doi: org/10.1016/j.joems.2012.08.015