515.35 MUK/O Mukherjee, Arup Ordinary and partial differential equation / Arup Mukherjee and Naba Kumar Bej. - 2nd ed.. - Kolkata : Shreedhar Prakashani, 2015 various pages. : 400.00 * Mathematics. Analytical equations. Differential calculus and equations. Differential equations. * Bej, Naba Kumar, * Title