00607nam a22001577a 4500 0 0 0 0 fsd fsd 2021-06-05 Allied book company 1479.50 0 515.35 AHS 74534 2021-06-05 00:00:00 1 2021-06-05 BK 34922 34922 9788120352698 (pbk) 515.35 AHS Ahsan,Zafar Differential equations and their applications New Dehli PHI Learning Private Limited 2019 xviii, 634 p. : ill. ; 24 cm. Includes index and bibliography. Differential equations Mathematics Numerical method Linear models Linear equations Laplace transform Multistep methods Mathematical models Mathematical applications FBSH BK