. "THE DOUBLE χ2 WITH TWO INNER PRODUCT DEFINED BY MUSIELAK-ORLICZ FUNCTIONS Vol. 5(1) Jan. 2017, No. 10, pp. 106-111 DEEPMALA, LAKSHMI NARAYAN MISHRA AND N. SUBRAMANIAN", Electronic Journal of Mathematical Analysis and Applications, 5, 1, 2017, -. doi: 10.21608/ejmaa.2017.310874