Simmons, G. F. (2007). Differential equations: Theory, technique, and practice. New York, NY: McGraw-Hill Higher Education.
Chicago-стиль цитированияSimmons, George Finlay. Differential Equations: Theory, Technique, and Practice. New York, NY: McGraw-Hill Higher Education, 2007.
MLA-цитированиеSimmons, George Finlay. Differential Equations: Theory, Technique, and Practice. New York, NY: McGraw-Hill Higher Education, 2007.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.