Some further remarks on ideal summability in 2-normed spaces. - Pratulananda Das; Sudip Kumar Pal; Sanjoy Kr. Ghosal (Appl. Math. Lett., 2011)

Optimizing energy cost via battery sizing in residential PV/battery systems. - Elahe Doroudchi; Sudip Kumar Pal; Matti Lehtonen; Jorma Kyyrä (ISGT Asia, 2015)