Salvadori, M. G., & Schwarz, R. J. Differential equations in engineering problems. Prentice Hall.
Chicago-стиль цитированияSalvadori, Mario G., and Ralph J. Schwarz. Differential Equations in Engineering Problems. Prentice Hall.
MLA-цитированиеSalvadori, Mario G., and Ralph J. Schwarz. Differential Equations in Engineering Problems. Prentice Hall.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.