Differential equations with applications /
Ritger, Paul D.
Differential equations with applications / Paul D. Ritger and Nicholas J. Rose. - New York : McGraw-Hill, 1967, c1968. - xiv, 545 p. : ill. - International series in pure and applied mathematics. .
Differential equations.
Differential equations with applications / Paul D. Ritger and Nicholas J. Rose. - New York : McGraw-Hill, 1967, c1968. - xiv, 545 p. : ill. - International series in pure and applied mathematics. .
Differential equations.