Elementary differential equations with boundary value problems.
EDWARDS, C.H.
Elementary differential equations with boundary value problems. - 3rd ed. - Englewood Cliffs : Prentice Hall, 1993. - ix,381 p.
Includes index.
Elementary differential equations with boundary value problems. - 3rd ed. - Englewood Cliffs : Prentice Hall, 1993. - ix,381 p.
Includes index.