00598nam a22001577a 4500 0 0 0 0 fsd fsd 2021-06-05 Allied book company 2041.71 0 515.35 EDW 74536 2021-06-05 00:00:00 1 2021-06-05 BK 34927 34927 9789353432782 (pbk) 515.35 EDW Edwards, C. Henry David E.Penney Elementary differential equations with boundary value problems Noida Pearson Education, Inc. 2019 xi, 760 p. : ill. ; 25 cm. Include index. Differential equations Mathematics Boundary value problems Linear equations Numerical methods Linear systems Power series Eigenvalues Numerical FBSH BK