00549 a2200217 4500 140373 OSt 20260217164925.0 9788120346222 515.35 B54O Biswal, Purna Chandra Ordinary differential equations by Purna Chandra Biswal 2nd ed. New Delhi PHI Learning 2012 378p. english Mathematics Differential Equations ddc BK 20745 20745 0 0 ddc 0 0 TXB CURAJ CURAJ MTH 2014-03-12 Pranay Books 295.00 178/27.09.13 4 515.35 B54O 16243 2025-12-23 2025-12-19 2020-09-02 BK 0 0 ddc 0 0 TXB CURAJ CURAJ MTH 2014-03-12 Pranay Books 295.00 178/27.09.13 6 515.35 B54O 16244 2025-10-16 2025-10-03 2020-09-02 BK 0 0 ddc 0 0 TXB CURAJ CURAJ MTH 2014-03-12 Pranay Books 295.00 178/27.09.13 2 515.35 B54O 16245 2025-12-12 2025-11-27 2020-09-02 BK 0 0 ddc 0 0 RTB CURAJ CURAJ MTH 2014-03-12 Pranay Books 295.00 178/27.09.13 2 515.35 B54O 16242 2025-06-06 2025-06-02 2020-09-02 BK