Precup, R. Existence theorems for nonlinear problems by continuation methods.
Chicago-стиль цитированияPrecup, Radu. Existence Theorems for Nonlinear Problems By Continuation Methods.
MLA-цитированиеPrecup, Radu. Existence Theorems for Nonlinear Problems By Continuation Methods.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.