On trigonometric approximation of W(Lp,ξ(t)) (p≥1) function by product (C,1)(E,1) means of its Fourier series

Vishnu Mishra, Vaishali Sonavane, Lakshmi Mishra
2013 Journal of Inequalities and Applications  
In the present paper, we generalize a theorem of Lal and Singh (Indian J. Pure Appl.
doi:10.1186/1029-242x-2013-300 fatcat:m5hwdgi6ircfvn3icfmaqa6f7u