Differential equations /
Esser, Martinus.
Differential equations / Martinus Esser. - Philadelphia : W.B. Saunders, c1968. - ix, 249 p. : illus. ; 24 cm.
Includes index.
Differential equations.
517.38 / ESD 1968
Differential equations / Martinus Esser. - Philadelphia : W.B. Saunders, c1968. - ix, 249 p. : illus. ; 24 cm.
Includes index.
Differential equations.
517.38 / ESD 1968