Zill, Dennis G.
Differential equations with boundary-value problems / Dennis G. Zill & Michael R. Cullen. - 3rd ed. - Boston : PWS-KENT, c1992. - xvi, 775 p.
Includes index.
0534931588
Differential equations.
Boundary value problems.
Differential equations with boundary-value problems / Dennis G. Zill & Michael R. Cullen. - 3rd ed. - Boston : PWS-KENT, c1992. - xvi, 775 p.
Includes index.
0534931588
Differential equations.
Boundary value problems.