Gilbert, R. P. (1969). Function theoretic methods in partial differential equations. Academic Press.
Chicago-стиль цитированияGilbert, Robert P. Function Theoretic Methods in Partial Differential Equations. New York: Academic Press, 1969.
MLA-цитированиеGilbert, Robert P. Function Theoretic Methods in Partial Differential Equations. Academic Press, 1969.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.