Theory of differential equations.
Forsyth, Andrew Russell, 1858-1942.
Theory of differential equations. - New York: Dover, [1959]. - 6 v. in 3.: 22 cm.
60000747 //r84
Differential equations.
515.35 / F735t
Theory of differential equations. - New York: Dover, [1959]. - 6 v. in 3.: 22 cm.
60000747 //r84
Differential equations.
515.35 / F735t