eng Ansari Education and Research Society Journal of Ultra Scientist of Physical Sciences August 2010 22 2 419 428 jusps-A 989 article On (C,1) (E,1) product means of fourier series and its conjugate series Hare Krishna Nigam 1 Department of Mathematics, Faculty of Engineering & Technology, Mody Institute of Technology and Science (Deemed University), Laxmangarh ?(Sikar (Rajasthan) INDIA <p>In this paper, two new theorems on (C,1)(E,1) product summability of Fourier series and its conjugate series have been established.</p> <p>&nbsp;</p> https://www.ultrascientist.org/paper/989/ product means Fourier series conjugate series of Fourier series