Elementary differential equations and boundary value problems /
Boyce, William E.
Elementary differential equations and boundary value problems / William E. Boyce and Richard C. Di Prima. - New York : John Wiley, 1965. - xvi, 485 p. :
628
Differential equations.
515.35 / El
Elementary differential equations and boundary value problems / William E. Boyce and Richard C. Di Prima. - New York : John Wiley, 1965. - xvi, 485 p. :
628
Differential equations.
515.35 / El